42497185064 has 16 divisors (see below), whose sum is σ = 79834585920. Its totient is φ = 21207962160.

The previous prime is 42497185061. The next prime is 42497185067. The reversal of 42497185064 is 46058179424.

It is an interprime number because it is at equal distance from previous prime (42497185061) and next prime (42497185067).

It is not an unprimeable number, because it can be changed into a prime (42497185061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5074352 + ... + 5082719.

It is an arithmetic number, because the mean of its divisors is an integer number (4989661620).

Almost surely, 2^42497185064 is an apocalyptic number.

It is an amenable number.

42497185064 is a deficient number, since it is larger than the sum of its proper divisors (37337400856).

42497185064 is a wasteful number, since it uses less digits than its factorization.

42497185064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157600 (or 10157596 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 42497185064 in words is "forty-two billion, four hundred ninety-seven million, one hundred eighty-five thousand, sixty-four".