2498221919 has 4 divisors (see below), whose sum is σ = 2498608680. Its totient is φ = 2497835160.

The previous prime is 2498221883. The next prime is 2498221937. The reversal of 2498221919 is 9191228942.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2498221919 is a prime.

It is a super-2 number, since 2×2498221919² = 12482225513144085122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2498221949) 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, 183524 + ... + 196665.

It is an arithmetic number, because the mean of its divisors is an integer number (624652170).

Almost surely, 2^2498221919 is an apocalyptic number.

2498221919 is a deficient number, since it is larger than the sum of its proper divisors (386761).

2498221919 is an equidigital number, since it uses as much as digits as its factorization.

2498221919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386760.

The product of its digits is 186624, while the sum is 47.

The square root of 2498221919 is about 49982.2160273032. The cubic root of 2498221919 is about 1356.8869683584.

The spelling of 2498221919 in words is "two billion, four hundred ninety-eight million, two hundred twenty-one thousand, nine hundred nineteen".