2019959445500 has 48 divisors (see below), whose sum is σ = 4411754290944. Its totient is φ = 807953950400.

The previous prime is 2019959445463. The next prime is 2019959445541. The reversal of 2019959445500 is 55449599102.

It is a super-2 number, since 2×2019959445500² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17729717 + ... + 17843283.

It is an arithmetic number, because the mean of its divisors is an integer number (91911547728).

Almost surely, 2^{2019959445500} is an apocalyptic number.

2019959445500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2019959445500 is an abundant number, since it is smaller than the sum of its proper divisors (2391794845444).

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

2019959445500 is a wasteful number, since it uses less digits than its factorization.

2019959445500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149159 (or 149147 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 53.

The spelling of 2019959445500 in words is "two trillion, nineteen billion, nine hundred fifty-nine million, four hundred forty-five thousand, five hundred".