2564327746 has 16 divisors (see below), whose sum is σ = 3868884576. Its totient is φ = 1274715936.

The previous prime is 2564327729. The next prime is 2564327749. The reversal of 2564327746 is 6477234652.

It is a junction number, because it is equal to n+sod(n) for n = 2564327696 and 2564327705.

It is not an unprimeable number, because it can be changed into a prime (2564327749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353710 + ... + 360886.

It is an arithmetic number, because the mean of its divisors is an integer number (241805286).

Almost surely, 2^2564327746 is an apocalyptic number.

2564327746 is a deficient number, since it is larger than the sum of its proper divisors (1304556830).

2564327746 is a wasteful number, since it uses less digits than its factorization.

2564327746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8193.

The product of its digits is 1693440, while the sum is 46.

The square root of 2564327746 is about 50639.1917984480. The cubic root of 2564327746 is about 1368.7511922705.

The spelling of 2564327746 in words is "two billion, five hundred sixty-four million, three hundred twenty-seven thousand, seven hundred forty-six".