49975496677 has 2 divisors, whose sum is σ = 49975496678. Its totient is φ = 49975496676.

The previous prime is 49975496629. The next prime is 49975496693. The reversal of 49975496677 is 77669457994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44033245281 + 5942251396 = 209841^2 + 77086^2 .

It is a cyclic number.

It is not a de Polignac number, because 49975496677 - 2³¹ = 47828013029 is a prime.

It is a super-2 number, since 2×49975496677² (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 (49975499677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24987748338 + 24987748339.

It is an arithmetic number, because the mean of its divisors is an integer number (24987748339).

Almost surely, 2^49975496677 is an apocalyptic number.

It is an amenable number.

49975496677 is a deficient number, since it is larger than the sum of its proper divisors (1).

49975496677 is an equidigital number, since it uses as much as digits as its factorization.

49975496677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720135360, while the sum is 73.

The spelling of 49975496677 in words is "forty-nine billion, nine hundred seventy-five million, four hundred ninety-six thousand, six hundred seventy-seven".