42397565361 has 64 divisors (see below), whose sum is σ = 63593164800. Its totient is φ = 24985737216.

The previous prime is 42397565351. The next prime is 42397565363. The reversal of 42397565361 is 16356579324.

It is a happy number.

It is not a de Polignac number, because 42397565361 - 2²² = 42393371057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (42397565363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32143060 + ... + 32144378.

It is an arithmetic number, because the mean of its divisors is an integer number (993643200).

Almost surely, 2^42397565361 is an apocalyptic number.

It is an amenable number.

42397565361 is a deficient number, since it is larger than the sum of its proper divisors (21195599439).

42397565361 is a wasteful number, since it uses less digits than its factorization.

42397565361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838.

The product of its digits is 4082400, while the sum is 51.

The spelling of 42397565361 in words is "forty-two billion, three hundred ninety-seven million, five hundred sixty-five thousand, three hundred sixty-one".