4031974092457 has 2 divisors, whose sum is σ = 4031974092458. Its totient is φ = 4031974092456.

The previous prime is 4031974092449. The next prime is 4031974092511. The reversal of 4031974092457 is 7542904791304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3881613172761 + 150360919696 = 1970181^2 + 387764^2 .

It is a cyclic number.

It is not a de Polignac number, because 4031974092457 - 2³ = 4031974092449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4031974092398 and 4031974092407.

It is not a weakly prime, because it can be changed into another prime (4031974042457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015987046228 + 2015987046229.

It is an arithmetic number, because the mean of its divisors is an integer number (2015987046229).

Almost surely, 2^{4031974092457} is an apocalyptic number.

It is an amenable number.

4031974092457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4031974092457 is an equidigital number, since it uses as much as digits as its factorization.

4031974092457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 4031974092457 in words is "four trillion, thirty-one billion, nine hundred seventy-four million, ninety-two thousand, four hundred fifty-seven".