2544246613 has 2 divisors, whose sum is σ = 2544246614. Its totient is φ = 2544246612.

The previous prime is 2544246583. The next prime is 2544246619. The reversal of 2544246613 is 3166424452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2365168689 + 179077924 = 48633^2 + 13382^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544246613 - 2⁵ = 2544246581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2544246619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272123306 + 1272123307.

It is an arithmetic number, because the mean of its divisors is an integer number (1272123307).

Almost surely, 2^2544246613 is an apocalyptic number.

It is an amenable number.

2544246613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544246613 is an equidigital number, since it uses as much as digits as its factorization.

2544246613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 37.

The square root of 2544246613 is about 50440.5255028137. The cubic root of 2544246613 is about 1365.1689491980.

The spelling of 2544246613 in words is "two billion, five hundred forty-four million, two hundred forty-six thousand, six hundred thirteen".