3643466427 has 48 divisors (see below), whose sum is σ = 5559267168. Its totient is φ = 2384121600.

The previous prime is 3643466399. The next prime is 3643466473. The reversal of 3643466427 is 7246643463.

It is a de Polignac number, because none of the positive numbers 2^k-3643466427 is a prime.

It is a super-2 number, since 2×3643466427² = 26549695209352292658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3643466227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5197177 + ... + 5197877.

It is an arithmetic number, because the mean of its divisors is an integer number (115818066).

Almost surely, 2^3643466427 is an apocalyptic number.

3643466427 is a deficient number, since it is larger than the sum of its proper divisors (1915800741).

3643466427 is an equidigital number, since it uses as much as digits as its factorization.

3643466427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1070 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 45.

The square root of 3643466427 is about 60361.1334138119. The cubic root of 3643466427 is about 1538.7624885686.

The spelling of 3643466427 in words is "three billion, six hundred forty-three million, four hundred sixty-six thousand, four hundred twenty-seven".