476661047436499 has 2 divisors, whose sum is σ = 476661047436500. Its totient is φ = 476661047436498.

The previous prime is 476661047436421. The next prime is 476661047436547. The reversal of 476661047436499 is 994634740166674.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 476661047436499 - 2¹⁵ = 476661047403731 is a prime.

It is not a weakly prime, because it can be changed into another prime (476661047446499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238330523718249 + 238330523718250.

It is an arithmetic number, because the mean of its divisors is an integer number (238330523718250).

Almost surely, 2^{476661047436499} is an apocalyptic number.

476661047436499 is a deficient number, since it is larger than the sum of its proper divisors (1).

476661047436499 is an equidigital number, since it uses as much as digits as its factorization.

476661047436499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3950456832, while the sum is 76.

The spelling of 476661047436499 in words is "four hundred seventy-six trillion, six hundred sixty-one billion, forty-seven million, four hundred thirty-six thousand, four hundred ninety-nine".