404235550550131 has 2 divisors, whose sum is σ = 404235550550132. Its totient is φ = 404235550550130.

The previous prime is 404235550550123. The next prime is 404235550550149. The reversal of 404235550550131 is 131055055532404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404235550550131 - 2³ = 404235550550123 is a prime.

It is a super-2 number, since 2×404235550550131² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (404235550557131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202117775275065 + 202117775275066.

It is an arithmetic number, because the mean of its divisors is an integer number (202117775275066).

Almost surely, 2^{404235550550131} is an apocalyptic number.

404235550550131 is a deficient number, since it is larger than the sum of its proper divisors (1).

404235550550131 is an equidigital number, since it uses as much as digits as its factorization.

404235550550131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 404235550550131 in words is "four hundred four trillion, two hundred thirty-five billion, five hundred fifty million, five hundred fifty thousand, one hundred thirty-one".