2264779521 has 40 divisors (see below), whose sum is σ = 3440628224. Its totient is φ = 1484360640.

The previous prime is 2264779501. The next prime is 2264779523. The reversal of 2264779521 is 1259774622.

2264779521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2264779521 - 2⁹ = 2264779009 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

Its product of digits (423360) is a multiple of the sum of its prime factors (1323).

It is not an unprimeable number, because it can be changed into a prime (2264779523) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3588876 + ... + 3589506.

Almost surely, 2^2264779521 is an apocalyptic number.

It is an amenable number.

2264779521 is a deficient number, since it is larger than the sum of its proper divisors (1175848703).

2264779521 is an equidigital number, since it uses as much as digits as its factorization.

2264779521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1314 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 2264779521 is about 47589.6997363925. The cubic root of 2264779521 is about 1313.2335713099.

The spelling of 2264779521 in words is "two billion, two hundred sixty-four million, seven hundred seventy-nine thousand, five hundred twenty-one".