49477393739 has 2 divisors, whose sum is σ = 49477393740. Its totient is φ = 49477393738.

The previous prime is 49477393723. The next prime is 49477393753. The reversal of 49477393739 is 93739377494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49477393739 - 2⁴ = 49477393723 is a prime.

It is not a weakly prime, because it can be changed into another prime (49477393039) 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, 24738696869 + 24738696870.

It is an arithmetic number, because the mean of its divisors is an integer number (24738696870).

Almost surely, 2^49477393739 is an apocalyptic number.

49477393739 is a deficient number, since it is larger than the sum of its proper divisors (1).

49477393739 is an equidigital number, since it uses as much as digits as its factorization.

49477393739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108020304, while the sum is 65.

The spelling of 49477393739 in words is "forty-nine billion, four hundred seventy-seven million, three hundred ninety-three thousand, seven hundred thirty-nine".