3132643645 has 8 divisors (see below), whose sum is σ = 3822887520. Its totient is φ = 2463638160.

The previous prime is 3132643609. The next prime is 3132643649. The reversal of 3132643645 is 5463462313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3132643645 - 2¹¹ = 3132641597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132643649) 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, 5309271 + ... + 5309860.

It is an arithmetic number, because the mean of its divisors is an integer number (477860940).

Almost surely, 2^3132643645 is an apocalyptic number.

It is an amenable number.

3132643645 is a deficient number, since it is larger than the sum of its proper divisors (690243875).

3132643645 is a wasteful number, since it uses less digits than its factorization.

3132643645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10619195.

The product of its digits is 155520, while the sum is 37.

The square root of 3132643645 is about 55970.0245220600. The cubic root of 3132643645 is about 1463.1999067444.

The spelling of 3132643645 in words is "three billion, one hundred thirty-two million, six hundred forty-three thousand, six hundred forty-five".