3645995463 has 16 divisors (see below), whose sum is σ = 5892518400. Its totient is φ = 2209694040.

The previous prime is 3645995461. The next prime is 3645995473.

3645995463 is a `hidden beast` number, since 3 + 6 + 4 + 5 + 99 + 546 + 3 = 666.

3645995463 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3645995463 - 2¹ = 3645995461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645995461) 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, 6137743 + ... + 6138336.

It is an arithmetic number, because the mean of its divisors is an integer number (368282400).

Almost surely, 2^3645995463 is an apocalyptic number.

3645995463 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3645995463 is a deficient number, since it is larger than the sum of its proper divisors (2246522937).

3645995463 is a wasteful number, since it uses less digits than its factorization.

3645995463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12276099 (or 12276093 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 54.

The square root of 3645995463 is about 60382.0789887198. The cubic root of 3645995463 is about 1539.1184394863.

The spelling of 3645995463 in words is "three billion, six hundred forty-five million, nine hundred ninety-five thousand, four hundred sixty-three".