476118520315409 has 2 divisors, whose sum is σ = 476118520315410. Its totient is φ = 476118520315408.

The previous prime is 476118520315393. The next prime is 476118520315441. The reversal of 476118520315409 is 904513025811674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475816566768400 + 301953547009 = 21813220^2 + 549503^2 .

It is a cyclic number.

It is not a de Polignac number, because 476118520315409 - 2⁴ = 476118520315393 is a prime.

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 (476118520311409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238059260157704 + 238059260157705.

It is an arithmetic number, because the mean of its divisors is an integer number (238059260157705).

It is a 3-persistent number, because k⋅476118520315409 is pandigital for 1 ≤ k ≤ 3, but not for k = 4.

Almost surely, 2^{476118520315409} is an apocalyptic number.

It is an amenable number.

476118520315409 is a deficient number, since it is larger than the sum of its proper divisors (1).

476118520315409 is an equidigital number, since it uses as much as digits as its factorization.

476118520315409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 476118520315409 in words is "four hundred seventy-six trillion, one hundred eighteen billion, five hundred twenty million, three hundred fifteen thousand, four hundred nine".