2549492505 has 24 divisors (see below), whose sum is σ = 5050423872. Its totient is φ = 1165482144.

The previous prime is 2549492479. The next prime is 2549492521. The reversal of 2549492505 is 5052949452.

2549492505 is a `hidden beast` number, since 2 + 54 + 9 + 4 + 92 + 505 = 666.

It is not a de Polignac number, because 2549492505 - 2¹⁴ = 2549476121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4046499 + ... + 4047128.

It is an arithmetic number, because the mean of its divisors is an integer number (210434328).

Almost surely, 2^2549492505 is an apocalyptic number.

It is an amenable number.

2549492505 is a deficient number, since it is larger than the sum of its proper divisors (2500931367).

2549492505 is a wasteful number, since it uses less digits than its factorization.

2549492505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093645 (or 8093642 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 2549492505 is about 50492.4994924989. The cubic root of 2549492505 is about 1366.1065695828.

The spelling of 2549492505 in words is "two billion, five hundred forty-nine million, four hundred ninety-two thousand, five hundred five".