46386695839921 has 2 divisors, whose sum is σ = 46386695839922. Its totient is φ = 46386695839920.

The previous prime is 46386695839877. The next prime is 46386695839931. The reversal of 46386695839921 is 12993859668364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46372286478400 + 14409361521 = 6809720^2 + 120039^2 .

It is a cyclic number.

It is not a de Polignac number, because 46386695839921 - 2⁷ = 46386695839793 is a prime.

It is not a weakly prime, because it can be changed into another prime (46386695839931) 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, 23193347919960 + 23193347919961.

It is an arithmetic number, because the mean of its divisors is an integer number (23193347919961).

Almost surely, 2^{46386695839921} is an apocalyptic number.

It is an amenable number.

46386695839921 is a deficient number, since it is larger than the sum of its proper divisors (1).

46386695839921 is an equidigital number, since it uses as much as digits as its factorization.

46386695839921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3627970560, while the sum is 79.

The spelling of 46386695839921 in words is "forty-six trillion, three hundred eighty-six billion, six hundred ninety-five million, eight hundred thirty-nine thousand, nine hundred twenty-one".