4421908690 has 32 divisors (see below), whose sum is σ = 8268480000. Its totient is φ = 1700599488.

The previous prime is 4421908637. The next prime is 4421908691. The reversal of 4421908690 is 968091244.

It is a super-2 number, since 2×4421908690² = 39106552925395032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4421908691) 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, 37411 + ... + 101209.

It is an arithmetic number, because the mean of its divisors is an integer number (258390000).

Almost surely, 2^4421908690 is an apocalyptic number.

4421908690 is a deficient number, since it is larger than the sum of its proper divisors (3846571310).

4421908690 is a wasteful number, since it uses less digits than its factorization.

4421908690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64074.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 4421908690 is about 66497.4337098809. The cubic root of 4421908690 is about 1641.3577752841.

The spelling of 4421908690 in words is "four billion, four hundred twenty-one million, nine hundred eight thousand, six hundred ninety".