1497097125889 has 4 divisors (see below), whose sum is σ = 1585161662724. Its totient is φ = 1409032589056.

The previous prime is 1497097125817. The next prime is 1497097125919. The reversal of 1497097125889 is 9885217907941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 658605287025 + 838491838864 = 811545^2 + 915692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1497097125889 - 2²⁵ = 1497063571457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1497097125389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44032268392 + ... + 44032268425.

It is an arithmetic number, because the mean of its divisors is an integer number (396290415681).

Almost surely, 2^{1497097125889} is an apocalyptic number.

It is an amenable number.

1497097125889 is a deficient number, since it is larger than the sum of its proper divisors (88064536835).

1497097125889 is an equidigital number, since it uses as much as digits as its factorization.

1497097125889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88064536834.

The product of its (nonzero) digits is 91445760, while the sum is 70.

The spelling of 1497097125889 in words is "one trillion, four hundred ninety-seven billion, ninety-seven million, one hundred twenty-five thousand, eight hundred eighty-nine".