2598049509 has 16 divisors (see below), whose sum is σ = 3807834624. Its totient is φ = 1562553200.

The previous prime is 2598049481. The next prime is 2598049513. The reversal of 2598049509 is 9059408952.

It is a cyclic number.

It is not a de Polignac number, because 2598049509 - 2¹² = 2598045413 is a prime.

It is a super-3 number, since 3×2598049509³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2598049529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296169 + ... + 304814.

It is an arithmetic number, because the mean of its divisors is an integer number (237989664).

Almost surely, 2^2598049509 is an apocalyptic number.

It is an amenable number.

2598049509 is a deficient number, since it is larger than the sum of its proper divisors (1209785115).

2598049509 is a wasteful number, since it uses less digits than its factorization.

2598049509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601128.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The square root of 2598049509 is about 50971.0654097008. The cubic root of 2598049509 is about 1374.7249272776.

The spelling of 2598049509 in words is "two billion, five hundred ninety-eight million, forty-nine thousand, five hundred nine".