46604663891 has 2 divisors, whose sum is σ = 46604663892. Its totient is φ = 46604663890.

The previous prime is 46604663887. The next prime is 46604663921. The reversal of 46604663891 is 19836640664.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46604663891 - 2² = 46604663887 is a prime.

It is not a weakly prime, because it can be changed into another prime (46604663801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23302331945 + 23302331946.

It is an arithmetic number, because the mean of its divisors is an integer number (23302331946).

Almost surely, 2^46604663891 is an apocalyptic number.

46604663891 is a deficient number, since it is larger than the sum of its proper divisors (1).

46604663891 is an equidigital number, since it uses as much as digits as its factorization.

46604663891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 46604663891 in words is "forty-six billion, six hundred four million, six hundred sixty-three thousand, eight hundred ninety-one".