2644472633 has 8 divisors (see below), whose sum is σ = 3010309056. Its totient is φ = 2299541200.

The previous prime is 2644472629. The next prime is 2644472651. The reversal of 2644472633 is 3362744462.

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

It is not a de Polignac number, because 2644472633 - 2² = 2644472629 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2644472693) 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, 5225978 + ... + 5226483.

It is an arithmetic number, because the mean of its divisors is an integer number (376288632).

Almost surely, 2^2644472633 is an apocalyptic number.

2644472633 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2644472633 is a deficient number, since it is larger than the sum of its proper divisors (365836423).

2644472633 is a wasteful number, since it uses less digits than its factorization.

2644472633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10452495.

The product of its digits is 580608, while the sum is 41.

The square root of 2644472633 is about 51424.4361466414. The cubic root of 2644472633 is about 1382.8647053191.

The spelling of 2644472633 in words is "two billion, six hundred forty-four million, four hundred seventy-two thousand, six hundred thirty-three".