2477929965991 has 2 divisors, whose sum is σ = 2477929965992. Its totient is φ = 2477929965990.

The previous prime is 2477929965977. The next prime is 2477929966003. The reversal of 2477929965991 is 1995699297742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2477929965991 - 2²⁵ = 2477896411559 is a prime.

It is a super-2 number, since 2×2477929965991² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2477929965941) 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, 1238964982995 + 1238964982996.

It is an arithmetic number, because the mean of its divisors is an integer number (1238964982996).

Almost surely, 2^{2477929965991} is an apocalyptic number.

2477929965991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2477929965991 is an equidigital number, since it uses as much as digits as its factorization.

2477929965991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1388832480, while the sum is 79.

The spelling of 2477929965991 in words is "two trillion, four hundred seventy-seven billion, nine hundred twenty-nine million, nine hundred sixty-five thousand, nine hundred ninety-one".