97642259541 has 16 divisors (see below), whose sum is σ = 145260460800. Its totient is φ = 64822472064.

The previous prime is 97642259483. The next prime is 97642259557. The reversal of 97642259541 is 14595224679.

It is a happy number.

97642259541 is a `hidden beast` number, since 9 + 7 + 6 + 4 + 2 + 2 + 595 + 41 = 666.

It is not a de Polignac number, because 97642259541 - 2²² = 97638065237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97642259581) 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, 7559196 + ... + 7572101.

It is an arithmetic number, because the mean of its divisors is an integer number (9078778800).

Almost surely, 2^97642259541 is an apocalyptic number.

It is an amenable number.

97642259541 is a deficient number, since it is larger than the sum of its proper divisors (47618201259).

97642259541 is a wasteful number, since it uses less digits than its factorization.

97642259541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15131545 (or 15131539 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 97642259541 in words is "ninety-seven billion, six hundred forty-two million, two hundred fifty-nine thousand, five hundred forty-one".