476043421810993 has 2 divisors, whose sum is σ = 476043421810994. Its totient is φ = 476043421810992.

The previous prime is 476043421810987. The next prime is 476043421811011. The reversal of 476043421810993 is 399018124340674.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257687475706609 + 218355946104384 = 16052647^2 + 14776872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-476043421810993 is a prime.

It is not a weakly prime, because it can be changed into another prime (476043421810903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238021710905496 + 238021710905497.

It is an arithmetic number, because the mean of its divisors is an integer number (238021710905497).

Almost surely, 2^{476043421810993} is an apocalyptic number.

It is an amenable number.

476043421810993 is a deficient number, since it is larger than the sum of its proper divisors (1).

476043421810993 is an equidigital number, since it uses as much as digits as its factorization.

476043421810993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 476043421810993 in words is "four hundred seventy-six trillion, forty-three billion, four hundred twenty-one million, eight hundred ten thousand, nine hundred ninety-three".