3423512731657 has 2 divisors, whose sum is σ = 3423512731658. Its totient is φ = 3423512731656.

The previous prime is 3423512731633. The next prime is 3423512731663. The reversal of 3423512731657 is 7561372153243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1781106445561 + 1642406286096 = 1334581^2 + 1281564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3423512731657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3423512731657.

It is not a weakly prime, because it can be changed into another prime (3423512731627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1711756365828 + 1711756365829.

It is an arithmetic number, because the mean of its divisors is an integer number (1711756365829).

Almost surely, 2^{3423512731657} is an apocalyptic number.

It is an amenable number.

3423512731657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3423512731657 is an equidigital number, since it uses as much as digits as its factorization.

3423512731657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 49.

The spelling of 3423512731657 in words is "three trillion, four hundred twenty-three billion, five hundred twelve million, seven hundred thirty-one thousand, six hundred fifty-seven".