2279561464 has 16 divisors (see below), whose sum is σ = 4460011920. Its totient is φ = 1090224960.

The previous prime is 2279561411. The next prime is 2279561477. The reversal of 2279561464 is 4641659722.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6194277 + ... + 6194644.

It is an arithmetic number, because the mean of its divisors is an integer number (278750745).

Almost surely, 2^2279561464 is an apocalyptic number.

It is an amenable number.

2279561464 is a deficient number, since it is larger than the sum of its proper divisors (2180450456).

2279561464 is a wasteful number, since it uses less digits than its factorization.

2279561464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12388950 (or 12388946 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 2279561464 is about 47744.7532614841. The cubic root of 2279561464 is about 1316.0844835099.

The spelling of 2279561464 in words is "two billion, two hundred seventy-nine million, five hundred sixty-one thousand, four hundred sixty-four".