3973397713 has 2 divisors, whose sum is σ = 3973397714. Its totient is φ = 3973397712.

The previous prime is 3973397707. The next prime is 3973397749. The reversal of 3973397713 is 3177933793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2841209809 + 1132187904 = 53303^2 + 33648^2 .

It is a cyclic number.

It is not a de Polignac number, because 3973397713 - 2⁹ = 3973397201 is a prime.

It is not a weakly prime, because it can be changed into another prime (3973398713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986698856 + 1986698857.

It is an arithmetic number, because the mean of its divisors is an integer number (1986698857).

Almost surely, 2^3973397713 is an apocalyptic number.

It is an amenable number.

3973397713 is a deficient number, since it is larger than the sum of its proper divisors (1).

3973397713 is an equidigital number, since it uses as much as digits as its factorization.

3973397713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250423, while the sum is 52.

The square root of 3973397713 is about 63034.8928213573. The cubic root of 3973397713 is about 1583.8741802727.

The spelling of 3973397713 in words is "three billion, nine hundred seventy-three million, three hundred ninety-seven thousand, seven hundred thirteen".