2498938987859 has 4 divisors (see below), whose sum is σ = 2501110091520. Its totient is φ = 2496767884200.

The previous prime is 2498938987771. The next prime is 2498938987861. The reversal of 2498938987859 is 9587898398942.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2498938987859 - 2¹⁶ = 2498938922323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2498938987889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085550104 + ... + 1085552405.

It is an arithmetic number, because the mean of its divisors is an integer number (625277522880).

Almost surely, 2^{2498938987859} is an apocalyptic number.

2498938987859 is a deficient number, since it is larger than the sum of its proper divisors (2171103661).

2498938987859 is a wasteful number, since it uses less digits than its factorization.

2498938987859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171103660.

The product of its digits is 22574039040, while the sum is 89.

The spelling of 2498938987859 in words is "two trillion, four hundred ninety-eight billion, nine hundred thirty-eight million, nine hundred eighty-seven thousand, eight hundred fifty-nine".