2098719644 has 24 divisors (see below), whose sum is σ = 4299818208. Its totient is φ = 877512960.

The previous prime is 2098719641. The next prime is 2098719659. The reversal of 2098719644 is 4469178902.

It is a super-2 number, since 2×2098719644² = 8809248288222973472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2098719592 and 2098719601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098719641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912929 + ... + 915224.

It is an arithmetic number, because the mean of its divisors is an integer number (179159092).

Almost surely, 2^2098719644 is an apocalyptic number.

It is an amenable number.

2098719644 is an abundant number, since it is smaller than the sum of its proper divisors (2201098564).

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

2098719644 is a wasteful number, since it uses less digits than its factorization.

2098719644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828205 (or 1828203 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 2098719644 is about 45811.7849903275. The cubic root of 2098719644 is about 1280.3188585514.

The spelling of 2098719644 in words is "two billion, ninety-eight million, seven hundred nineteen thousand, six hundred forty-four".