405713892797 has 2 divisors, whose sum is σ = 405713892798. Its totient is φ = 405713892796.

The previous prime is 405713892631. The next prime is 405713892821. The reversal of 405713892797 is 797298317504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389618149636 + 16095743161 = 624194^2 + 126869^2 .

It is a cyclic number.

It is not a de Polignac number, because 405713892797 - 2⁸ = 405713892541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405713802797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202856946398 + 202856946399.

It is an arithmetic number, because the mean of its divisors is an integer number (202856946399).

Almost surely, 2^405713892797 is an apocalyptic number.

It is an amenable number.

405713892797 is a deficient number, since it is larger than the sum of its proper divisors (1).

405713892797 is an equidigital number, since it uses as much as digits as its factorization.

405713892797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26671680, while the sum is 62.

The spelling of 405713892797 in words is "four hundred five billion, seven hundred thirteen million, eight hundred ninety-two thousand, seven hundred ninety-seven".