149656238973 has 24 divisors (see below), whose sum is σ = 218235951648. Its totient is φ = 98817757152.

The previous prime is 149656238971. The next prime is 149656238981. The reversal of 149656238973 is 379832656941.

149656238973 is a `hidden beast` number, since 1 + 496 + 5 + 62 + 3 + 89 + 7 + 3 = 666.

It is not a de Polignac number, because 149656238973 - 2¹ = 149656238971 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 149656238973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149656238971) 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, 5613511 + ... + 5640107.

It is an arithmetic number, because the mean of its divisors is an integer number (9093164652).

Almost surely, 2^149656238973 is an apocalyptic number.

It is an amenable number.

149656238973 is a deficient number, since it is larger than the sum of its proper divisors (68579712675).

149656238973 is a wasteful number, since it uses less digits than its factorization.

149656238973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32553 (or 32550 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The spelling of 149656238973 in words is "one hundred forty-nine billion, six hundred fifty-six million, two hundred thirty-eight thousand, nine hundred seventy-three".