149742004697 has 16 divisors (see below), whose sum is σ = 153904593024. Its totient is φ = 145604496000.

The previous prime is 149742004691. The next prime is 149742004751. The reversal of 149742004697 is 796400247941.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149742004697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149742004691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18013172 + ... + 18021482.

It is an arithmetic number, because the mean of its divisors is an integer number (9619037064).

Almost surely, 2^149742004697 is an apocalyptic number.

It is an amenable number.

149742004697 is a deficient number, since it is larger than the sum of its proper divisors (4162588327).

149742004697 is an equidigital number, since it uses as much as digits as its factorization.

149742004697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9760.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 149742004697 in words is "one hundred forty-nine billion, seven hundred forty-two million, four thousand, six hundred ninety-seven".