2564712679 has 2 divisors, whose sum is σ = 2564712680. Its totient is φ = 2564712678.

The previous prime is 2564712673. The next prime is 2564712719. The reversal of 2564712679 is 9762174652.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2564712679 - 2³ = 2564712671 is a prime.

It is a super-2 number, since 2×2564712679² = 13155502251646714082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564712671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282356339 + 1282356340.

It is an arithmetic number, because the mean of its divisors is an integer number (1282356340).

Almost surely, 2^2564712679 is an apocalyptic number.

2564712679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564712679 is an equidigital number, since it uses as much as digits as its factorization.

2564712679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 2564712679 is about 50642.9923977642. The cubic root of 2564712679 is about 1368.8196769045.

The spelling of 2564712679 in words is "two billion, five hundred sixty-four million, seven hundred twelve thousand, six hundred seventy-nine".