49686364801 has 2 divisors, whose sum is σ = 49686364802. Its totient is φ = 49686364800.

The previous prime is 49686364799. The next prime is 49686364807. The reversal of 49686364801 is 10846368694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49540075776 + 146289025 = 222576^2 + 12095^2 .

It is a cyclic number.

It is not a de Polignac number, because 49686364801 - 2¹ = 49686364799 is a prime.

Together with 49686364799, it forms a pair of twin primes.

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, 24843182400 + 24843182401.

It is an arithmetic number, because the mean of its divisors is an integer number (24843182401).

Almost surely, 2^49686364801 is an apocalyptic number.

It is an amenable number.

49686364801 is a deficient number, since it is larger than the sum of its proper divisors (1).

49686364801 is an equidigital number, since it uses as much as digits as its factorization.

49686364801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 49686364801 in words is "forty-nine billion, six hundred eighty-six million, three hundred sixty-four thousand, eight hundred one".