3997593601 has 4 divisors (see below), whose sum is σ = 4082648832. Its totient is φ = 3912538372.

The previous prime is 3997593583. The next prime is 3997593631. The reversal of 3997593601 is 1063957993.

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 3997593601 - 2⁵ = 3997593569 is a prime.

It is a super-2 number, since 2×3997593601² = 31961509197512294402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3997593631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42527545 + ... + 42527638.

It is an arithmetic number, because the mean of its divisors is an integer number (1020662208).

Almost surely, 2^3997593601 is an apocalyptic number.

It is an amenable number.

3997593601 is a deficient number, since it is larger than the sum of its proper divisors (85055231).

3997593601 is an equidigital number, since it uses as much as digits as its factorization.

3997593601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85055230.

The product of its (nonzero) digits is 1377810, while the sum is 52.

The square root of 3997593601 is about 63226.5260867620. The cubic root of 3997593601 is about 1587.0826614198.

The spelling of 3997593601 in words is "three billion, nine hundred ninety-seven million, five hundred ninety-three thousand, six hundred one".