476334320407381 has 2 divisors, whose sum is σ = 476334320407382. Its totient is φ = 476334320407380.

The previous prime is 476334320407307. The next prime is 476334320407433. The reversal of 476334320407381 is 183704023433674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393986572319025 + 82347748088356 = 19849095^2 + 9074566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-476334320407381 is a prime.

It is a super-2 number, since 2×476334320407381² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476334320407301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238167160203690 + 238167160203691.

It is an arithmetic number, because the mean of its divisors is an integer number (238167160203691).

Almost surely, 2^{476334320407381} is an apocalyptic number.

It is an amenable number.

476334320407381 is a deficient number, since it is larger than the sum of its proper divisors (1).

476334320407381 is an equidigital number, since it uses as much as digits as its factorization.

476334320407381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 55.

The spelling of 476334320407381 in words is "four hundred seventy-six trillion, three hundred thirty-four billion, three hundred twenty million, four hundred seven thousand, three hundred eighty-one".