46691291287 has 2 divisors, whose sum is σ = 46691291288. Its totient is φ = 46691291286.

The previous prime is 46691291249. The next prime is 46691291327. The reversal of 46691291287 is 78219219664.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46691291287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46691291987) 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, 23345645643 + 23345645644.

It is an arithmetic number, because the mean of its divisors is an integer number (23345645644).

Almost surely, 2^46691291287 is an apocalyptic number.

46691291287 is a deficient number, since it is larger than the sum of its proper divisors (1).

46691291287 is an equidigital number, since it uses as much as digits as its factorization.

46691291287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The spelling of 46691291287 in words is "forty-six billion, six hundred ninety-one million, two hundred ninety-one thousand, two hundred eighty-seven".