42397564351 has 2 divisors, whose sum is σ = 42397564352. Its totient is φ = 42397564350.

The previous prime is 42397564327. The next prime is 42397564357. The reversal of 42397564351 is 15346579324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42397564351 - 2¹⁷ = 42397433279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42397564295 and 42397564304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42397564357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21198782175 + 21198782176.

It is an arithmetic number, because the mean of its divisors is an integer number (21198782176).

Almost surely, 2^42397564351 is an apocalyptic number.

42397564351 is a deficient number, since it is larger than the sum of its proper divisors (1).

42397564351 is an equidigital number, since it uses as much as digits as its factorization.

42397564351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 49.

The spelling of 42397564351 in words is "forty-two billion, three hundred ninety-seven million, five hundred sixty-four thousand, three hundred fifty-one".