3930571613 has 2 divisors, whose sum is σ = 3930571614. Its totient is φ = 3930571612.

The previous prime is 3930571583. The next prime is 3930571627. The reversal of 3930571613 is 3161750393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2945992729 + 984578884 = 54277^2 + 31378^2 .

It is an emirp because it is prime and its reverse (3161750393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3930571613 - 2¹² = 3930567517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3930571633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1965285806 + 1965285807.

It is an arithmetic number, because the mean of its divisors is an integer number (1965285807).

Almost surely, 2^3930571613 is an apocalyptic number.

It is an amenable number.

3930571613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3930571613 is an equidigital number, since it uses as much as digits as its factorization.

3930571613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 3930571613 is about 62694.2709743083. The cubic root of 3930571613 is about 1578.1631718652.

The spelling of 3930571613 in words is "three billion, nine hundred thirty million, five hundred seventy-one thousand, six hundred thirteen".