2645215039 has 2 divisors, whose sum is σ = 2645215040. Its totient is φ = 2645215038.

The previous prime is 2645215003. The next prime is 2645215057. The reversal of 2645215039 is 9305125462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2645215039 - 2¹⁵ = 2645182271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2645214989 and 2645215007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2645215099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322607519 + 1322607520.

It is an arithmetic number, because the mean of its divisors is an integer number (1322607520).

Almost surely, 2^2645215039 is an apocalyptic number.

2645215039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645215039 is an equidigital number, since it uses as much as digits as its factorization.

2645215039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 2645215039 is about 51431.6540566216. The cubic root of 2645215039 is about 1382.9941011242.

The spelling of 2645215039 in words is "two billion, six hundred forty-five million, two hundred fifteen thousand, thirty-nine".