153700537921 has 16 divisors (see below), whose sum is σ = 192404039040. Its totient is φ = 119718063360.

The previous prime is 153700537871. The next prime is 153700537951. The reversal of 153700537921 is 129735007351.

It is not a de Polignac number, because 153700537921 - 2¹¹ = 153700535873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153700537951) 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, 22265535 + ... + 22272436.

It is an arithmetic number, because the mean of its divisors is an integer number (12025252440).

Almost surely, 2^153700537921 is an apocalyptic number.

It is an amenable number.

153700537921 is a deficient number, since it is larger than the sum of its proper divisors (38703501119).

153700537921 is a wasteful number, since it uses less digits than its factorization.

153700537921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44538024.

The product of its (nonzero) digits is 198450, while the sum is 43.

The spelling of 153700537921 in words is "one hundred fifty-three billion, seven hundred million, five hundred thirty-seven thousand, nine hundred twenty-one".