42102413057 has 2 divisors, whose sum is σ = 42102413058. Its totient is φ = 42102413056.

The previous prime is 42102412903. The next prime is 42102413107. The reversal of 42102413057 is 75031420124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40448852161 + 1653560896 = 201119^2 + 40664^2 .

It is a cyclic number.

It is not a de Polignac number, because 42102413057 - 2¹² = 42102408961 is a prime.

It is a super-2 number, since 2×42102413057² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42102410057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21051206528 + 21051206529.

It is an arithmetic number, because the mean of its divisors is an integer number (21051206529).

Almost surely, 2^42102413057 is an apocalyptic number.

It is an amenable number.

42102413057 is a deficient number, since it is larger than the sum of its proper divisors (1).

42102413057 is an equidigital number, since it uses as much as digits as its factorization.

42102413057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 42102413057 in words is "forty-two billion, one hundred two million, four hundred thirteen thousand, fifty-seven".