3997113373 has 4 divisors (see below), whose sum is σ = 4360487328. Its totient is φ = 3633739420.

The previous prime is 3997113361. The next prime is 3997113377. The reversal of 3997113373 is 3733117993.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3997113373 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 (3997113377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181686961 + ... + 181686982.

It is an arithmetic number, because the mean of its divisors is an integer number (1090121832).

Almost surely, 2^3997113373 is an apocalyptic number.

It is an amenable number.

3997113373 is a deficient number, since it is larger than the sum of its proper divisors (363373955).

3997113373 is a wasteful number, since it uses less digits than its factorization.

3997113373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363373954.

The product of its digits is 321489, while the sum is 46.

The square root of 3997113373 is about 63222.7282944986. The cubic root of 3997113373 is about 1587.0191071811.

It can be divided in two parts, 3997 and 113373, that added together give a triangular number (117370 = T₄₈₄).

The spelling of 3997113373 in words is "three billion, nine hundred ninety-seven million, one hundred thirteen thousand, three hundred seventy-three".