4491911930 has 16 divisors (see below), whose sum is σ = 8820481824. Its totient is φ = 1633422480.

The previous prime is 4491911917. The next prime is 4491911947. The reversal of 4491911930 is 391191944.

It is a super-3 number, since 3×4491911930³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20417672 + ... + 20417891.

It is an arithmetic number, because the mean of its divisors is an integer number (551280114).

Almost surely, 2^4491911930 is an apocalyptic number.

4491911930 is a deficient number, since it is larger than the sum of its proper divisors (4328569894).

4491911930 is a wasteful number, since it uses less digits than its factorization.

4491911930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40835581.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 4491911930 is about 67021.7272979442. The cubic root of 4491911930 is about 1649.9739120454.

The spelling of 4491911930 in words is "four billion, four hundred ninety-one million, nine hundred eleven thousand, nine hundred thirty".