2499517098 has 72 divisors (see below), whose sum is σ = 5878604160. Its totient is φ = 767201760.

The previous prime is 2499517081. The next prime is 2499517109. The reversal of 2499517098 is 8907159942.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1736263 + ... + 1737701.

It is an arithmetic number, because the mean of its divisors is an integer number (81647280).

Almost surely, 2^2499517098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2499517098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2939302080).

2499517098 is an abundant number, since it is smaller than the sum of its proper divisors (3379087062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2499517098 is a wasteful number, since it uses less digits than its factorization.

2499517098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The square root of 2499517098 is about 49995.1707467831. The cubic root of 2499517098 is about 1357.1214161572.

It can be divided in two parts, 249951 and 7098, that added together give a square (257049 = 507²).

The spelling of 2499517098 in words is "two billion, four hundred ninety-nine million, five hundred seventeen thousand, ninety-eight".