49477393477 has 2 divisors, whose sum is σ = 49477393478. Its totient is φ = 49477393476.

The previous prime is 49477393447. The next prime is 49477393507. The reversal of 49477393477 is 77439377494.

It is a balanced prime because it is at equal distance from previous prime (49477393447) and next prime (49477393507).

It can be written as a sum of positive squares in only one way, i.e., 46794775041 + 2682618436 = 216321^2 + 51794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49477393477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49477393447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24738696738 + 24738696739.

It is an arithmetic number, because the mean of its divisors is an integer number (24738696739).

Almost surely, 2^49477393477 is an apocalyptic number.

It is an amenable number.

49477393477 is a deficient number, since it is larger than the sum of its proper divisors (1).

49477393477 is an equidigital number, since it uses as much as digits as its factorization.

49477393477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112021056, while the sum is 64.

The spelling of 49477393477 in words is "forty-nine billion, four hundred seventy-seven million, three hundred ninety-three thousand, four hundred seventy-seven".