149682951469 has 4 divisors (see below), whose sum is σ = 149687191296. Its totient is φ = 149678711644.

The previous prime is 149682951461. The next prime is 149682951491. The reversal of 149682951469 is 964159286941.

149682951469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 964159286941 = 17 ⋅56715252173.

It is a cyclic number.

It is not a de Polignac number, because 149682951469 - 2³ = 149682951461 is a prime.

It is a super-2 number, since 2×149682951469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149682951469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149682951461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2066509 + ... + 2137714.

It is an arithmetic number, because the mean of its divisors is an integer number (37421797824).

Almost surely, 2^149682951469 is an apocalyptic number.

It is an amenable number.

149682951469 is a deficient number, since it is larger than the sum of its proper divisors (4239827).

149682951469 is an equidigital number, since it uses as much as digits as its factorization.

149682951469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239826.

The product of its digits is 33592320, while the sum is 64.

The spelling of 149682951469 in words is "one hundred forty-nine billion, six hundred eighty-two million, nine hundred fifty-one thousand, four hundred sixty-nine".