2545889396 has 12 divisors (see below), whose sum is σ = 4456539360. Its totient is φ = 1272592440.

The previous prime is 2545889341. The next prime is 2545889399. The reversal of 2545889396 is 6939885452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545889399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71456 + ... + 100983.

It is an arithmetic number, because the mean of its divisors is an integer number (371378280).

Almost surely, 2^2545889396 is an apocalyptic number.

It is an amenable number.

2545889396 is a deficient number, since it is larger than the sum of its proper divisors (1910649964).

2545889396 is a wasteful number, since it uses less digits than its factorization.

2545889396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176134 (or 176132 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 59.

The square root of 2545889396 is about 50456.8072315322. The cubic root of 2545889396 is about 1365.4627092205.

The spelling of 2545889396 in words is "two billion, five hundred forty-five million, eight hundred eighty-nine thousand, three hundred ninety-six".