400013663425067 has 2 divisors, whose sum is σ = 400013663425068. Its totient is φ = 400013663425066.

The previous prime is 400013663424959. The next prime is 400013663425087. The reversal of 400013663425067 is 760524366310004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400013663425067 - 2¹⁸ = 400013663162923 is a prime.

It is not a weakly prime, because it can be changed into another prime (400013663425087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200006831712533 + 200006831712534.

It is an arithmetic number, because the mean of its divisors is an integer number (200006831712534).

Almost surely, 2^{400013663425067} is an apocalyptic number.

400013663425067 is a deficient number, since it is larger than the sum of its proper divisors (1).

400013663425067 is an equidigital number, since it uses as much as digits as its factorization.

400013663425067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 400013663425067 in words is "four hundred trillion, thirteen billion, six hundred sixty-three million, four hundred twenty-five thousand, sixty-seven".