149759667389 has 4 divisors (see below), whose sum is σ = 151811169756. Its totient is φ = 147708165024.

The previous prime is 149759667377. The next prime is 149759667391. The reversal of 149759667389 is 983766957941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983766957941 = 1307 ⋅752690863.

It can be written as a sum of positive squares in 2 ways, for example, as 57257311225 + 92502356164 = 239285^2 + 304142^2 .

It is a cyclic number.

It is not a de Polignac number, because 149759667389 - 2⁸ = 149759667133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149759637389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025751074 + ... + 1025751219.

It is an arithmetic number, because the mean of its divisors is an integer number (37952792439).

Almost surely, 2^149759667389 is an apocalyptic number.

It is an amenable number.

149759667389 is a deficient number, since it is larger than the sum of its proper divisors (2051502367).

149759667389 is an equidigital number, since it uses as much as digits as its factorization.

149759667389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051502366.

The product of its digits is 617258880, while the sum is 74.

The spelling of 149759667389 in words is "one hundred forty-nine billion, seven hundred fifty-nine million, six hundred sixty-seven thousand, three hundred eighty-nine".