3997299733 has 4 divisors (see below), whose sum is σ = 4568342560. Its totient is φ = 3426256908.

The previous prime is 3997299731. The next prime is 3997299739. The reversal of 3997299733 is 3379927993.

3997299733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3997299733 - 2¹ = 3997299731 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 (3997299731) 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, 285521403 + ... + 285521416.

It is an arithmetic number, because the mean of its divisors is an integer number (1142085640).

Almost surely, 2^3997299733 is an apocalyptic number.

It is an amenable number.

3997299733 is a deficient number, since it is larger than the sum of its proper divisors (571042827).

3997299733 is an equidigital number, since it uses as much as digits as its factorization.

3997299733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571042826.

The product of its digits is 17360406, while the sum is 61.

The square root of 3997299733 is about 63224.2021143802. The cubic root of 3997299733 is about 1587.0437710036.

The spelling of 3997299733 in words is "three billion, nine hundred ninety-seven million, two hundred ninety-nine thousand, seven hundred thirty-three".