469805731331 has 2 divisors, whose sum is σ = 469805731332. Its totient is φ = 469805731330.

The previous prime is 469805731279. The next prime is 469805731349. The reversal of 469805731331 is 133137508964.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-469805731331 is a prime.

It is a super-2 number, since 2×469805731331² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 469805731331.

It is not a weakly prime, because it can be changed into another prime (469805731391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234902865665 + 234902865666.

It is an arithmetic number, because the mean of its divisors is an integer number (234902865666).

Almost surely, 2^469805731331 is an apocalyptic number.

469805731331 is a deficient number, since it is larger than the sum of its proper divisors (1).

469805731331 is an equidigital number, since it uses as much as digits as its factorization.

469805731331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 469805731331 in words is "four hundred sixty-nine billion, eight hundred five million, seven hundred thirty-one thousand, three hundred thirty-one".