2197628353600 has 63 divisors (see below), whose sum is σ = 5407685180671. Its totient is φ = 879027622400.

The previous prime is 2197628353597. The next prime is 2197628353651. The reversal of 2197628353600 is 63538267912.

The square root of 2197628353600 is 1482440.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 217506573376 + 1980121780224 = 466376^2 + 1407168^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59279070 + ... + 59316130.

Almost surely, 2^{2197628353600} is an apocalyptic number.

2197628353600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2197628353600 is the 1482440-th square number.

It is an amenable number.

2197628353600 is an abundant number, since it is smaller than the sum of its proper divisors (3210056827071).

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

2197628353600 is an frugal number, since it uses more digits than its factorization.

2197628353600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74144 (or 37068 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 2197628353600 in words is "two trillion, one hundred ninety-seven billion, six hundred twenty-eight million, three hundred fifty-three thousand, six hundred".