49413794977 has 2 divisors, whose sum is σ = 49413794978. Its totient is φ = 49413794976.

The previous prime is 49413794971. The next prime is 49413794981. The reversal of 49413794977 is 77949731494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45307676736 + 4106118241 = 212856^2 + 64079^2 .

It is a cyclic number.

It is not a de Polignac number, because 49413794977 - 2³⁵ = 15054056609 is a prime.

It is not a weakly prime, because it can be changed into another prime (49413794971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24706897488 + 24706897489.

It is an arithmetic number, because the mean of its divisors is an integer number (24706897489).

Almost surely, 2^49413794977 is an apocalyptic number.

It is an amenable number.

49413794977 is a deficient number, since it is larger than the sum of its proper divisors (1).

49413794977 is an equidigital number, since it uses as much as digits as its factorization.

49413794977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48009024, while the sum is 64.

The spelling of 49413794977 in words is "forty-nine billion, four hundred thirteen million, seven hundred ninety-four thousand, nine hundred seventy-seven".