46994581937 has 2 divisors, whose sum is σ = 46994581938. Its totient is φ = 46994581936.

The previous prime is 46994581927. The next prime is 46994581961. The reversal of 46994581937 is 73918549964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29381045281 + 17613536656 = 171409^2 + 132716^2 .

It is a cyclic number.

It is not a de Polignac number, because 46994581937 - 2¹² = 46994577841 is a prime.

It is not a weakly prime, because it can be changed into another prime (46994581927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23497290968 + 23497290969.

It is an arithmetic number, because the mean of its divisors is an integer number (23497290969).

Almost surely, 2^46994581937 is an apocalyptic number.

It is an amenable number.

46994581937 is a deficient number, since it is larger than the sum of its proper divisors (1).

46994581937 is an equidigital number, since it uses as much as digits as its factorization.

46994581937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58786560, while the sum is 65.

The spelling of 46994581937 in words is "forty-six billion, nine hundred ninety-four million, five hundred eighty-one thousand, nine hundred thirty-seven".