46400505997 has 2 divisors, whose sum is σ = 46400505998. Its totient is φ = 46400505996.

The previous prime is 46400505989. The next prime is 46400506037. The reversal of 46400505997 is 79950500464.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33837234601 + 12563271396 = 183949^2 + 112086^2 .

It is a cyclic number.

It is not a de Polignac number, because 46400505997 - 2³ = 46400505989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46400505997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46400509997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23200252998 + 23200252999.

It is an arithmetic number, because the mean of its divisors is an integer number (23200252999).

Almost surely, 2^46400505997 is an apocalyptic number.

It is an amenable number.

46400505997 is a deficient number, since it is larger than the sum of its proper divisors (1).

46400505997 is an equidigital number, since it uses as much as digits as its factorization.

46400505997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 46400505997 in words is "forty-six billion, four hundred million, five hundred five thousand, nine hundred ninety-seven".