2545770239 has 2 divisors, whose sum is σ = 2545770240. Its totient is φ = 2545770238.

The previous prime is 2545770223. The next prime is 2545770259. The reversal of 2545770239 is 9320775452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2545770239 - 2⁴ = 2545770223 is a prime.

It is a super-2 number, since 2×2545770239² = 12961892219556234242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2545770239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545770259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272885119 + 1272885120.

It is an arithmetic number, because the mean of its divisors is an integer number (1272885120).

Almost surely, 2^2545770239 is an apocalyptic number.

2545770239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545770239 is an equidigital number, since it uses as much as digits as its factorization.

2545770239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 2545770239 is about 50455.6264355126. The cubic root of 2545770239 is about 1365.4414059936.

The spelling of 2545770239 in words is "two billion, five hundred forty-five million, seven hundred seventy thousand, two hundred thirty-nine".