46680968921 has 2 divisors, whose sum is σ = 46680968922. Its totient is φ = 46680968920.

The previous prime is 46680968869. The next prime is 46680968953. The reversal of 46680968921 is 12986908664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44997015625 + 1683953296 = 212125^2 + 41036^2 .

It is a cyclic number.

It is not a de Polignac number, because 46680968921 - 2¹⁸ = 46680706777 is a prime.

It is a super-2 number, since 2×46680968921² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46680958921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23340484460 + 23340484461.

It is an arithmetic number, because the mean of its divisors is an integer number (23340484461).

Almost surely, 2^46680968921 is an apocalyptic number.

It is an amenable number.

46680968921 is a deficient number, since it is larger than the sum of its proper divisors (1).

46680968921 is an equidigital number, since it uses as much as digits as its factorization.

46680968921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 46680968921 in words is "forty-six billion, six hundred eighty million, nine hundred sixty-eight thousand, nine hundred twenty-one".