3953490165 has 48 divisors (see below), whose sum is σ = 7293684528. Its totient is φ = 1974140928.

The previous prime is 3953490137. The next prime is 3953490181. The reversal of 3953490165 is 5610943593.

3953490165 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 252714609 + 3700775556 = 15897^2 + 60834^2 .

It is not a de Polignac number, because 3953490165 - 2⁹ = 3953489653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3953490165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134257 + ... + 161033.

It is an arithmetic number, because the mean of its divisors is an integer number (151951761).

Almost surely, 2^3953490165 is an apocalyptic number.

It is an amenable number.

3953490165 is a deficient number, since it is larger than the sum of its proper divisors (3340194363).

3953490165 is a wasteful number, since it uses less digits than its factorization.

3953490165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26998 (or 26995 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The square root of 3953490165 is about 62876.7855810076. The cubic root of 3953490165 is about 1581.2245707399.

The spelling of 3953490165 in words is "three billion, nine hundred fifty-three million, four hundred ninety thousand, one hundred sixty-five".