4472638692 has 24 divisors (see below), whose sum is σ = 10437415296. Its totient is φ = 1490699808.

The previous prime is 4472638633. The next prime is 4472638693. The reversal of 4472638692 is 2968362744.

It is not an unprimeable number, because it can be changed into a prime (4472638693) 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, 114693 + ... + 148659.

It is an arithmetic number, because the mean of its divisors is an integer number (434892304).

Almost surely, 2^4472638692 is an apocalyptic number.

It is an amenable number.

4472638692 is an abundant number, since it is smaller than the sum of its proper divisors (5964776604).

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

4472638692 is a wasteful number, since it uses less digits than its factorization.

4472638692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44947 (or 44945 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The square root of 4472638692 is about 66877.7892278146. The cubic root of 4472638692 is about 1647.6107067603.

The spelling of 4472638692 in words is "four billion, four hundred seventy-two million, six hundred thirty-eight thousand, six hundred ninety-two".