2019798890925 has 24 divisors (see below), whose sum is σ = 3365695343616. Its totient is φ = 1068743975040.

The previous prime is 2019798890911. The next prime is 2019798890971. The reversal of 2019798890925 is 5290988979102.

It is not a de Polignac number, because 2019798890925 - 2¹³ = 2019798882733 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2019798890925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106016664 + ... + 106035713.

It is an arithmetic number, because the mean of its divisors is an integer number (140237305984).

Almost surely, 2^{2019798890925} is an apocalyptic number.

2019798890925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2019798890925 is a deficient number, since it is larger than the sum of its proper divisors (1345896452691).

2019798890925 is a wasteful number, since it uses less digits than its factorization.

2019798890925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212052517 (or 212052512 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 69.

The spelling of 2019798890925 in words is "two trillion, nineteen billion, seven hundred ninety-eight million, eight hundred ninety thousand, nine hundred twenty-five".