149962257909 has 24 divisors (see below), whose sum is σ = 217025284320. Its totient is φ = 99784325088.

The previous prime is 149962257881. The next prime is 149962257941. The reversal of 149962257909 is 909752269941.

149962257909 is a `hidden beast` number, since 1 + 499 + 6 + 2 + 2 + 57 + 90 + 9 = 666.

It is not a de Polignac number, because 149962257909 - 2⁹ = 149962257397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149962257959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13804522 + ... + 13815380.

It is an arithmetic number, because the mean of its divisors is an integer number (9042720180).

Almost surely, 2^149962257909 is an apocalyptic number.

It is an amenable number.

149962257909 is a deficient number, since it is larger than the sum of its proper divisors (67063026411).

149962257909 is a wasteful number, since it uses less digits than its factorization.

149962257909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13649 (or 13646 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The spelling of 149962257909 in words is "one hundred forty-nine billion, nine hundred sixty-two million, two hundred fifty-seven thousand, nine hundred nine".