2099387243520 has 1056 divisors, whose sum is σ = 8819081256960. Its totient is φ = 451374612480.

The previous prime is 2099387243519. The next prime is 2099387243593. The reversal of 2099387243520 is 253427839902.

2099387243520 is a `hidden beast` number, since 2 + 0 + 9 + 9 + 3 + 8 + 72 + 43 + 520 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 452549361 + ... + 452553999.

Almost surely, 2^{2099387243520} is an apocalyptic number.

2099387243520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2099387243520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4409540628480).

2099387243520 is an abundant number, since it is smaller than the sum of its proper divisors (6719694013440).

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

2099387243520 is a wasteful number, since it uses less digits than its factorization.

2099387243520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761 (or 4740 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 2099387243520 in words is "two trillion, ninety-nine billion, three hundred eighty-seven million, two hundred forty-three thousand, five hundred twenty".