2725209459 has 24 divisors (see below), whose sum is σ = 4549315680. Its totient is φ = 1539762048.

The previous prime is 2725209451. The next prime is 2725209493. The reversal of 2725209459 is 9549025272.

2725209459 is a `hidden beast` number, since 2 + 72 + 520 + 9 + 4 + 59 = 666.

It is not a de Polignac number, because 2725209459 - 2³ = 2725209451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2725209451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237412 + ... + 248625.

It is an arithmetic number, because the mean of its divisors is an integer number (189554820).

Almost surely, 2^2725209459 is an apocalyptic number.

2725209459 is a deficient number, since it is larger than the sum of its proper divisors (1824106221).

2725209459 is a wasteful number, since it uses less digits than its factorization.

2725209459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486139 (or 486136 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 2725209459 is about 52203.5387593600. The cubic root of 2725209459 is about 1396.7970073777.

The spelling of 2725209459 in words is "two billion, seven hundred twenty-five million, two hundred nine thousand, four hundred fifty-nine".