4279418991 has 12 divisors (see below), whose sum is σ = 6188048880. Its totient is φ = 2849869440.

The previous prime is 4279418981. The next prime is 4279419007. The reversal of 4279418991 is 1998149724.

It is a de Polignac number, because none of the positive numbers 2^k-4279418991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4279418981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247555 + ... + 264276.

It is an arithmetic number, because the mean of its divisors is an integer number (515670740).

Almost surely, 2^4279418991 is an apocalyptic number.

4279418991 is a deficient number, since it is larger than the sum of its proper divisors (1908629889).

4279418991 is a wasteful number, since it uses less digits than its factorization.

4279418991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512766 (or 512763 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 4279418991 is about 65417.2682936241. The cubic root of 4279418991 is about 1623.5348043871.

The spelling of 4279418991 in words is "four billion, two hundred seventy-nine million, four hundred eighteen thousand, nine hundred ninety-one".