2509529798 has 4 divisors (see below), whose sum is σ = 3764294700. Its totient is φ = 1254764898.

The previous prime is 2509529741. The next prime is 2509529821. The reversal of 2509529798 is 8979259052.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627382448 + ... + 627382451.

It is an arithmetic number, because the mean of its divisors is an integer number (941073675).

Almost surely, 2^2509529798 is an apocalyptic number.

2509529798 is a deficient number, since it is larger than the sum of its proper divisors (1254764902).

2509529798 is a wasteful number, since it uses less digits than its factorization.

2509529798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254764901.

The product of its (nonzero) digits is 4082400, while the sum is 56.

The square root of 2509529798 is about 50095.2073356324. The cubic root of 2509529798 is about 1358.9311451164.

The spelling of 2509529798 in words is "two billion, five hundred nine million, five hundred twenty-nine thousand, seven hundred ninety-eight".