401246118899 has 2 divisors, whose sum is σ = 401246118900. Its totient is φ = 401246118898.

The previous prime is 401246118883. The next prime is 401246118961. The reversal of 401246118899 is 998811642104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401246118899 - 2⁴ = 401246118883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401246118899.

It is not a weakly prime, because it can be changed into another prime (401246118809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200623059449 + 200623059450.

It is an arithmetic number, because the mean of its divisors is an integer number (200623059450).

Almost surely, 2^401246118899 is an apocalyptic number.

401246118899 is a deficient number, since it is larger than the sum of its proper divisors (1).

401246118899 is an equidigital number, since it uses as much as digits as its factorization.

401246118899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 401246118899 in words is "four hundred one billion, two hundred forty-six million, one hundred eighteen thousand, eight hundred ninety-nine".