46813613681 has 2 divisors, whose sum is σ = 46813613682. Its totient is φ = 46813613680.

The previous prime is 46813613611. The next prime is 46813613699. The reversal of 46813613681 is 18631631864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25959654400 + 20853959281 = 161120^2 + 144409^2 .

It is a cyclic number.

It is not a de Polignac number, because 46813613681 - 2³⁰ = 45739871857 is a prime.

It is a super-2 number, since 2×46813613681² (a number of 22 digits) contains 22 as substring.

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 (46813613611) 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, 23406806840 + 23406806841.

It is an arithmetic number, because the mean of its divisors is an integer number (23406806841).

Almost surely, 2^46813613681 is an apocalyptic number.

It is an amenable number.

46813613681 is a deficient number, since it is larger than the sum of its proper divisors (1).

46813613681 is an equidigital number, since it uses as much as digits as its factorization.

46813613681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The spelling of 46813613681 in words is "forty-six billion, eight hundred thirteen million, six hundred thirteen thousand, six hundred eighty-one".