49686364867 has 2 divisors, whose sum is σ = 49686364868. Its totient is φ = 49686364866.

The previous prime is 49686364817. The next prime is 49686364909. The reversal of 49686364867 is 76846368694.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49686364867 is a prime.

It is not a weakly prime, because it can be changed into another prime (49686364807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24843182433 + 24843182434.

It is an arithmetic number, because the mean of its divisors is an integer number (24843182434).

Almost surely, 2^49686364867 is an apocalyptic number.

49686364867 is a deficient number, since it is larger than the sum of its proper divisors (1).

49686364867 is an equidigital number, since it uses as much as digits as its factorization.

49686364867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250822656, while the sum is 67.

The spelling of 49686364867 in words is "forty-nine billion, six hundred eighty-six million, three hundred sixty-four thousand, eight hundred sixty-seven".