42401455410427 has 2 divisors, whose sum is σ = 42401455410428. Its totient is φ = 42401455410426.

The previous prime is 42401455410299. The next prime is 42401455410443. The reversal of 42401455410427 is 72401455410424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42401455410427 - 2⁷ = 42401455410299 is a prime.

It is a super-2 number, since 2×42401455410427² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42401455210427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21200727705213 + 21200727705214.

It is an arithmetic number, because the mean of its divisors is an integer number (21200727705214).

Almost surely, 2^{42401455410427} is an apocalyptic number.

42401455410427 is a deficient number, since it is larger than the sum of its proper divisors (1).

42401455410427 is an equidigital number, since it uses as much as digits as its factorization.

42401455410427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 716800, while the sum is 43.

The spelling of 42401455410427 in words is "forty-two trillion, four hundred one billion, four hundred fifty-five million, four hundred ten thousand, four hundred twenty-seven".