3974499165 has 32 divisors (see below), whose sum is σ = 7826708736. Its totient is φ = 1677150720.

The previous prime is 3974499157. The next prime is 3974499169. The reversal of 3974499165 is 5619944793.

It is not a de Polignac number, because 3974499165 - 2³ = 3974499157 is a prime.

It is a super-2 number, since 2×3974499165² = 31593287225171394450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974499169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1454496 + ... + 1457225.

It is an arithmetic number, because the mean of its divisors is an integer number (244584648).

Almost surely, 2^3974499165 is an apocalyptic number.

3974499165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3974499165 is a deficient number, since it is larger than the sum of its proper divisors (3852209571).

3974499165 is a wasteful number, since it uses less digits than its factorization.

3974499165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911749.

The product of its digits is 7348320, while the sum is 57.

The square root of 3974499165 is about 63043.6290595648. The cubic root of 3974499165 is about 1584.0205202008.

The spelling of 3974499165 in words is "three billion, nine hundred seventy-four million, four hundred ninety-nine thousand, one hundred sixty-five".