149358621869 has 8 divisors (see below), whose sum is σ = 149593237248. Its totient is φ = 149124088080.

The previous prime is 149358621851. The next prime is 149358621871. The reversal of 149358621869 is 968126853941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149358621869 - 2²⁰ = 149357573293 is a prime.

It is a super-2 number, since 2×149358621869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149358620869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4371884 + ... + 4405914.

It is an arithmetic number, because the mean of its divisors is an integer number (18699154656).

Almost surely, 2^149358621869 is an apocalyptic number.

It is an amenable number.

149358621869 is a deficient number, since it is larger than the sum of its proper divisors (234615379).

149358621869 is an equidigital number, since it uses as much as digits as its factorization.

149358621869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40795.

The product of its digits is 22394880, while the sum is 62.

The spelling of 149358621869 in words is "one hundred forty-nine billion, three hundred fifty-eight million, six hundred twenty-one thousand, eight hundred sixty-nine".