1697989325125 has 16 divisors (see below), whose sum is σ = 2122763368752. Its totient is φ = 1356037171200.

The previous prime is 1697989325101. The next prime is 1697989325129. The reversal of 1697989325125 is 5215239897961.

It can be written as a sum of positive squares in 8 ways, for example, as 86021370436 + 1611967954689 = 293294^2 + 1269633^2 .

It is not a de Polignac number, because 1697989325125 - 2⁹ = 1697989324613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1697989325129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11699032 + ... + 11843281.

It is an arithmetic number, because the mean of its divisors is an integer number (132672710547).

Almost surely, 2^{1697989325125} is an apocalyptic number.

It is an amenable number.

1697989325125 is a deficient number, since it is larger than the sum of its proper divisors (424774043627).

1697989325125 is an equidigital number, since it uses as much as digits as its factorization.

1697989325125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23542905 (or 23542895 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 67.

The spelling of 1697989325125 in words is "one trillion, six hundred ninety-seven billion, nine hundred eighty-nine million, three hundred twenty-five thousand, one hundred twenty-five".