2549893465 has 32 divisors (see below), whose sum is σ = 3528000000. Its totient is φ = 1733073408.

The previous prime is 2549893453. The next prime is 2549893481. The reversal of 2549893465 is 5643989452.

It is a cyclic number.

It is not a de Polignac number, because 2549893465 - 2¹⁷ = 2549762393 is a prime.

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, 2430261 + ... + 2431309.

It is an arithmetic number, because the mean of its divisors is an integer number (110250000).

Almost surely, 2^2549893465 is an apocalyptic number.

It is an amenable number.

2549893465 is a deficient number, since it is larger than the sum of its proper divisors (978106535).

2549893465 is a wasteful number, since it uses less digits than its factorization.

2549893465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609.

The product of its digits is 9331200, while the sum is 55.

The square root of 2549893465 is about 50496.4698271077. The cubic root of 2549893465 is about 1366.1781819235.

The spelling of 2549893465 in words is "two billion, five hundred forty-nine million, eight hundred ninety-three thousand, four hundred sixty-five".