4411921664 has 36 divisors (see below), whose sum is σ = 8811733056. Its totient is φ = 2204677632.

The previous prime is 4411921649. The next prime is 4411921697. The reversal of 4411921664 is 4661291144.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560057 + ... + 567879.

Almost surely, 2^4411921664 is an apocalyptic number.

It is an amenable number.

4411921664 is a deficient number, since it is larger than the sum of its proper divisors (4399811392).

4411921664 is an equidigital number, since it uses as much as digits as its factorization.

4411921664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042 (or 10028 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 4411921664 is about 66422.2979427842. The cubic root of 4411921664 is about 1640.1211570218.

The spelling of 4411921664 in words is "four billion, four hundred eleven million, nine hundred twenty-one thousand, six hundred sixty-four".