1897999416352 has 48 divisors (see below), whose sum is σ = 4024265679000. Its totient is φ = 875968837632.

The previous prime is 1897999416323. The next prime is 1897999416377. The reversal of 1897999416352 is 2536149997981.

It can be written as a sum of positive squares in 4 ways, for example, as 506835781776 + 1391163634576 = 711924^2 + 1179476^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15225508 + ... + 15349660.

Almost surely, 2^{1897999416352} is an apocalyptic number.

It is an amenable number.

1897999416352 is an abundant number, since it is smaller than the sum of its proper divisors (2126266262648).

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

1897999416352 is a wasteful number, since it uses less digits than its factorization.

1897999416352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160925 (or 160917 counting only the distinct ones).

The product of its digits is 264539520, while the sum is 73.

The spelling of 1897999416352 in words is "one trillion, eight hundred ninety-seven billion, nine hundred ninety-nine million, four hundred sixteen thousand, three hundred fifty-two".