476651240435081 has 2 divisors, whose sum is σ = 476651240435082. Its totient is φ = 476651240435080.

The previous prime is 476651240435077. The next prime is 476651240435141. The reversal of 476651240435081 is 180534042156674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383365004524681 + 93286235910400 = 19579709^2 + 9658480^2 .

It is a cyclic number.

It is not a de Polignac number, because 476651240435081 - 2² = 476651240435077 is a prime.

It is a super-2 number, since 2×476651240435081² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (476651240435581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238325620217540 + 238325620217541.

It is an arithmetic number, because the mean of its divisors is an integer number (238325620217541).

Almost surely, 2^{476651240435081} is an apocalyptic number.

It is an amenable number.

476651240435081 is a deficient number, since it is larger than the sum of its proper divisors (1).

476651240435081 is an equidigital number, since it uses as much as digits as its factorization.

476651240435081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 476651240435081 in words is "four hundred seventy-six trillion, six hundred fifty-one billion, two hundred forty million, four hundred thirty-five thousand, eighty-one".