406754366761 has 2 divisors, whose sum is σ = 406754366762. Its totient is φ = 406754366760.

The previous prime is 406754366749. The next prime is 406754366779. The reversal of 406754366761 is 167663457604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389462116761 + 17292250000 = 624069^2 + 131500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406754366761 is a prime.

It is a super-2 number, since 2×406754366761² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (406754366791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203377183380 + 203377183381.

It is an arithmetic number, because the mean of its divisors is an integer number (203377183381).

Almost surely, 2^406754366761 is an apocalyptic number.

It is an amenable number.

406754366761 is a deficient number, since it is larger than the sum of its proper divisors (1).

406754366761 is an equidigital number, since it uses as much as digits as its factorization.

406754366761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 406754366761 in words is "four hundred six billion, seven hundred fifty-four million, three hundred sixty-six thousand, seven hundred sixty-one".