42351400457 has 2 divisors, whose sum is σ = 42351400458. Its totient is φ = 42351400456.

The previous prime is 42351400447. The next prime is 42351400517. The reversal of 42351400457 is 75400415324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41285769721 + 1065630736 = 203189^2 + 32644^2 .

It is a cyclic number.

It is not a de Polignac number, because 42351400457 - 2²⁴ = 42334623241 is a prime.

It is a super-2 number, since 2×42351400457² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42351400447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21175700228 + 21175700229.

It is an arithmetic number, because the mean of its divisors is an integer number (21175700229).

Almost surely, 2^42351400457 is an apocalyptic number.

It is an amenable number.

42351400457 is a deficient number, since it is larger than the sum of its proper divisors (1).

42351400457 is an equidigital number, since it uses as much as digits as its factorization.

42351400457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 42351400457 in words is "forty-two billion, three hundred fifty-one million, four hundred thousand, four hundred fifty-seven".