46439938313 has 2 divisors, whose sum is σ = 46439938314. Its totient is φ = 46439938312.

The previous prime is 46439938289. The next prime is 46439938331. The reversal of 46439938313 is 31383993464.

It is a happy number.

Together with next prime (46439938331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44115541369 + 2324396944 = 210037^2 + 48212^2 .

It is a cyclic number.

It is not a de Polignac number, because 46439938313 - 2¹⁶ = 46439872777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (46439938373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23219969156 + 23219969157.

It is an arithmetic number, because the mean of its divisors is an integer number (23219969157).

Almost surely, 2^46439938313 is an apocalyptic number.

It is an amenable number.

46439938313 is a deficient number, since it is larger than the sum of its proper divisors (1).

46439938313 is an equidigital number, since it uses as much as digits as its factorization.

46439938313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 53.

The spelling of 46439938313 in words is "forty-six billion, four hundred thirty-nine million, nine hundred thirty-eight thousand, three hundred thirteen".