49396739593 has 2 divisors, whose sum is σ = 49396739594. Its totient is φ = 49396739592.

The previous prime is 49396739527. The next prime is 49396739597. The reversal of 49396739593 is 39593769394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41612736064 + 7784003529 = 203992^2 + 88227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49396739593 is a prime.

It is not a weakly prime, because it can be changed into another prime (49396739597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24698369796 + 24698369797.

It is an arithmetic number, because the mean of its divisors is an integer number (24698369797).

Almost surely, 2^49396739593 is an apocalyptic number.

It is an amenable number.

49396739593 is a deficient number, since it is larger than the sum of its proper divisors (1).

49396739593 is an equidigital number, since it uses as much as digits as its factorization.

49396739593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148803480, while the sum is 67.

The spelling of 49396739593 in words is "forty-nine billion, three hundred ninety-six million, seven hundred thirty-nine thousand, five hundred ninety-three".