3653694432 has 48 divisors (see below), whose sum is σ = 10656611280. Its totient is φ = 1217897856.

The previous prime is 3653694431. The next prime is 3653694437. The reversal of 3653694432 is 2344963563.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653694431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113543 + ... + 2115270.

It is an arithmetic number, because the mean of its divisors is an integer number (222012735).

Almost surely, 2^3653694432 is an apocalyptic number.

3653694432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3653694432 is an abundant number, since it is smaller than the sum of its proper divisors (7002916848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3653694432 is a wasteful number, since it uses less digits than its factorization.

3653694432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228832 (or 4228818 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 45.

The square root of 3653694432 is about 60445.7974717846. The cubic root of 3653694432 is about 1540.2010239634.

The spelling of 3653694432 in words is "three billion, six hundred fifty-three million, six hundred ninety-four thousand, four hundred thirty-two".