1897035979248 has 160 divisors (see below), whose sum is σ = 5676503347200. Its totient is φ = 605887776000.

The previous prime is 1897035979231. The next prime is 1897035979339. The reversal of 1897035979248 is 8429795307981.

1897035979248 is a `hidden beast` number, since 1 + 8 + 9 + 7 + 0 + 3 + 597 + 9 + 24 + 8 = 666.

It is a super-2 number, since 2×1897035979248² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651333 + ... + 2053851.

It is an arithmetic number, because the mean of its divisors is an integer number (35478145920).

Almost surely, 2^{1897035979248} is an apocalyptic number.

1897035979248 is a gapful number since it is divisible by the number (18) 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 1897035979248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2838251673600).

1897035979248 is an abundant number, since it is smaller than the sum of its proper divisors (3779467367952).

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

1897035979248 is a wasteful number, since it uses less digits than its factorization.

1897035979248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402668 (or 1402656 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 72.

The spelling of 1897035979248 in words is "one trillion, eight hundred ninety-seven billion, thirty-five million, nine hundred seventy-nine thousand, two hundred forty-eight".