42397565351 has 2 divisors, whose sum is σ = 42397565352. Its totient is φ = 42397565350.

The previous prime is 42397565321. The next prime is 42397565363. The reversal of 42397565351 is 15356579324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42397565351 - 2¹⁰ = 42397564327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42397565351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42397565321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21198782675 + 21198782676.

It is an arithmetic number, because the mean of its divisors is an integer number (21198782676).

Almost surely, 2^42397565351 is an apocalyptic number.

42397565351 is a deficient number, since it is larger than the sum of its proper divisors (1).

42397565351 is an equidigital number, since it uses as much as digits as its factorization.

42397565351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402000, while the sum is 50.

The spelling of 42397565351 in words is "forty-two billion, three hundred ninety-seven million, five hundred sixty-five thousand, three hundred fifty-one".