406868757331 has 2 divisors, whose sum is σ = 406868757332. Its totient is φ = 406868757330.

The previous prime is 406868757329. The next prime is 406868757341. The reversal of 406868757331 is 133757868604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406868757331 - 2¹ = 406868757329 is a prime.

It is a super-2 number, since 2×406868757331² (a number of 24 digits) contains 22 as substring.

Together with 406868757329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (406868757311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203434378665 + 203434378666.

It is an arithmetic number, because the mean of its divisors is an integer number (203434378666).

Almost surely, 2^406868757331 is an apocalyptic number.

406868757331 is a deficient number, since it is larger than the sum of its proper divisors (1).

406868757331 is an equidigital number, since it uses as much as digits as its factorization.

406868757331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 406868757331 in words is "four hundred six billion, eight hundred sixty-eight million, seven hundred fifty-seven thousand, three hundred thirty-one".