2594601906 has 24 divisors (see below), whose sum is σ = 5619080880. Its totient is φ = 798338736.

The previous prime is 2594601887. The next prime is 2594601923. The reversal of 2594601906 is 6091064952.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1278376 + ... + 1280403.

It is an arithmetic number, because the mean of its divisors is an integer number (234128370).

Almost surely, 2^2594601906 is an apocalyptic number.

2594601906 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2594601906 is an abundant number, since it is smaller than the sum of its proper divisors (3024478974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2594601906 is a wasteful number, since it uses less digits than its factorization.

2594601906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558810 (or 2558797 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 2594601906 is about 50937.2349661817. The cubic root of 2594601906 is about 1374.1165729782.

The spelling of 2594601906 in words is "two billion, five hundred ninety-four million, six hundred one thousand, nine hundred six".