49772593613 has 2 divisors, whose sum is σ = 49772593614. Its totient is φ = 49772593612.

The previous prime is 49772593517. The next prime is 49772593631. The reversal of 49772593613 is 31639527794.

Together with next prime (49772593631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25604160169 + 24168433444 = 160013^2 + 155462^2 .

It is a cyclic number.

It is not a de Polignac number, because 49772593613 - 2²⁶ = 49705484749 is a prime.

It is a super-2 number, since 2×49772593613² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49772893613) 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, 24886296806 + 24886296807.

It is an arithmetic number, because the mean of its divisors is an integer number (24886296807).

Almost surely, 2^49772593613 is an apocalyptic number.

It is an amenable number.

49772593613 is a deficient number, since it is larger than the sum of its proper divisors (1).

49772593613 is an equidigital number, since it uses as much as digits as its factorization.

49772593613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 56.

The spelling of 49772593613 in words is "forty-nine billion, seven hundred seventy-two million, five hundred ninety-three thousand, six hundred thirteen".