46631186491 has 2 divisors, whose sum is σ = 46631186492. Its totient is φ = 46631186490.

The previous prime is 46631186461. The next prime is 46631186549. The reversal of 46631186491 is 19468113664.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46631186491 - 2¹³ = 46631178299 is a prime.

It is not a weakly prime, because it can be changed into another prime (46631186431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23315593245 + 23315593246.

It is an arithmetic number, because the mean of its divisors is an integer number (23315593246).

Almost surely, 2^46631186491 is an apocalyptic number.

46631186491 is a deficient number, since it is larger than the sum of its proper divisors (1).

46631186491 is an equidigital number, since it uses as much as digits as its factorization.

46631186491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The spelling of 46631186491 in words is "forty-six billion, six hundred thirty-one million, one hundred eighty-six thousand, four hundred ninety-one".