2645059438 has 64 divisors (see below), whose sum is σ = 4792209408. Its totient is φ = 1071221760.

The previous prime is 2645059421. The next prime is 2645059447. The reversal of 2645059438 is 8349505462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3493756 + ... + 3494512.

It is an arithmetic number, because the mean of its divisors is an integer number (74878272).

Almost surely, 2^2645059438 is an apocalyptic number.

2645059438 is a deficient number, since it is larger than the sum of its proper divisors (2147149970).

2645059438 is a wasteful number, since it uses less digits than its factorization.

2645059438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The square root of 2645059438 is about 51430.1413375464. The cubic root of 2645059438 is about 1382.9669830410.

The spelling of 2645059438 in words is "two billion, six hundred forty-five million, fifty-nine thousand, four hundred thirty-eight".