42051000457 has 2 divisors, whose sum is σ = 42051000458. Its totient is φ = 42051000456.

The previous prime is 42051000367. The next prime is 42051000461. The reversal of 42051000457 is 75400015024.

42051000457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22457719881 + 19593280576 = 149859^2 + 139976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42051000457 is a prime.

It is a super-2 number, since 2×42051000457² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42051000757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21025500228 + 21025500229.

It is an arithmetic number, because the mean of its divisors is an integer number (21025500229).

Almost surely, 2^42051000457 is an apocalyptic number.

It is an amenable number.

42051000457 is a deficient number, since it is larger than the sum of its proper divisors (1).

42051000457 is an equidigital number, since it uses as much as digits as its factorization.

42051000457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 28.

The spelling of 42051000457 in words is "forty-two billion, fifty-one million, four hundred fifty-seven", and thus it is an aban number.