46641819491 has 2 divisors, whose sum is σ = 46641819492. Its totient is φ = 46641819490.

The previous prime is 46641819481. The next prime is 46641819551. The reversal of 46641819491 is 19491814664.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46641819491 - 2²² = 46637625187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (46641819401) 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, 23320909745 + 23320909746.

It is an arithmetic number, because the mean of its divisors is an integer number (23320909746).

Almost surely, 2^46641819491 is an apocalyptic number.

46641819491 is a deficient number, since it is larger than the sum of its proper divisors (1).

46641819491 is an equidigital number, since it uses as much as digits as its factorization.

46641819491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 53.

The spelling of 46641819491 in words is "forty-six billion, six hundred forty-one million, eight hundred nineteen thousand, four hundred ninety-one".