400011198667 has 2 divisors, whose sum is σ = 400011198668. Its totient is φ = 400011198666.

The previous prime is 400011198641. The next prime is 400011198673. The reversal of 400011198667 is 766891110004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400011198667 - 2⁷ = 400011198539 is a prime.

It is not a weakly prime, because it can be changed into another prime (400011198607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200005599333 + 200005599334.

It is an arithmetic number, because the mean of its divisors is an integer number (200005599334).

Almost surely, 2^400011198667 is an apocalyptic number.

400011198667 is a deficient number, since it is larger than the sum of its proper divisors (1).

400011198667 is an equidigital number, since it uses as much as digits as its factorization.

400011198667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 400011198667 in words is "four hundred billion, eleven million, one hundred ninety-eight thousand, six hundred sixty-seven".