4031397597 has 4 divisors (see below), whose sum is σ = 5375196800. Its totient is φ = 2687598396.

The previous prime is 4031397589. The next prime is 4031397613. The reversal of 4031397597 is 7957931304.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4031397597 - 2³ = 4031397589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031397497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671899597 + ... + 671899602.

It is an arithmetic number, because the mean of its divisors is an integer number (1343799200).

Almost surely, 2^4031397597 is an apocalyptic number.

It is an amenable number.

4031397597 is a deficient number, since it is larger than the sum of its proper divisors (1343799203).

4031397597 is a wasteful number, since it uses less digits than its factorization.

4031397597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343799202.

The product of its (nonzero) digits is 714420, while the sum is 48.

The square root of 4031397597 is about 63493.2878106025. The cubic root of 4031397597 is about 1591.5436134699.

The spelling of 4031397597 in words is "four billion, thirty-one million, three hundred ninety-seven thousand, five hundred ninety-seven".