3645965027 has 16 divisors (see below), whose sum is σ = 3880939392. Its totient is φ = 3413329920.

The previous prime is 3645965023. The next prime is 3645965033. The reversal of 3645965027 is 7205695463.

It is a cyclic number.

It is not a de Polignac number, because 3645965027 - 2² = 3645965023 is a prime.

It is a super-2 number, since 2×3645965027² = 26586121956214221458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3645965021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4001702 + ... + 4002612.

It is an arithmetic number, because the mean of its divisors is an integer number (242558712).

Almost surely, 2^3645965027 is an apocalyptic number.

3645965027 is a deficient number, since it is larger than the sum of its proper divisors (234974365).

3645965027 is a wasteful number, since it uses less digits than its factorization.

3645965027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The square root of 3645965027 is about 60381.8269597733. The cubic root of 3645965027 is about 1539.1141567292.

The spelling of 3645965027 in words is "three billion, six hundred forty-five million, nine hundred sixty-five thousand, twenty-seven".