2097421252800 has 84 divisors (see below), whose sum is σ = 6881289575976. Its totient is φ = 559312332800.

The previous prime is 2097421252741. The next prime is 2097421252853. The reversal of 2097421252800 is 82521247902.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218476581 + ... + 218486180.

Almost surely, 2^{2097421252800} is an apocalyptic number.

2097421252800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2097421252800 is an abundant number, since it is smaller than the sum of its proper divisors (4783868323176).

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

2097421252800 is a wasteful number, since it uses less digits than its factorization.

2097421252800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436962786 (or 436962771 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 2097421252800 in words is "two trillion, ninety-seven billion, four hundred twenty-one million, two hundred fifty-two thousand, eight hundred".