3974689597 has 2 divisors, whose sum is σ = 3974689598. Its totient is φ = 3974689596.

The previous prime is 3974689577. The next prime is 3974689603. The reversal of 3974689597 is 7959864793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2188274841 + 1786414756 = 46779^2 + 42266^2 .

It is an emirp because it is prime and its reverse (7959864793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3974689597 - 2¹⁹ = 3974165309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3974689577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987344798 + 1987344799.

It is an arithmetic number, because the mean of its divisors is an integer number (1987344799).

Almost surely, 2^3974689597 is an apocalyptic number.

It is an amenable number.

3974689597 is a deficient number, since it is larger than the sum of its proper divisors (1).

3974689597 is an equidigital number, since it uses as much as digits as its factorization.

3974689597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102876480, while the sum is 67.

The square root of 3974689597 is about 63045.1393606200. The cubic root of 3974689597 is about 1584.0458184305.

The spelling of 3974689597 in words is "three billion, nine hundred seventy-four million, six hundred eighty-nine thousand, five hundred ninety-seven".