2489869498 has 4 divisors (see below), whose sum is σ = 3734804250. Its totient is φ = 1244934748.

The previous prime is 2489869489. The next prime is 2489869507. The reversal of 2489869498 is 8949689842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8949689842 = 2 ⋅4474844921.

It is an interprime number because it is at equal distance from previous prime (2489869489) and next prime (2489869507).

It can be written as a sum of positive squares in only one way, i.e., 2397767089 + 92102409 = 48967^2 + 9597^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622467373 + ... + 622467376.

Almost surely, 2^2489869498 is an apocalyptic number.

2489869498 is a deficient number, since it is larger than the sum of its proper divisors (1244934752).

2489869498 is a wasteful number, since it uses less digits than its factorization.

2489869498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244934751.

The product of its digits is 71663616, while the sum is 67.

The square root of 2489869498 is about 49898.5921444684. The cubic root of 2489869498 is about 1355.3730989662.

The spelling of 2489869498 in words is "two billion, four hundred eighty-nine million, eight hundred sixty-nine thousand, four hundred ninety-eight".