1097606142889 has 3 divisors (see below), whose sum is σ = 1097607190557. Its totient is φ = 1097605095222.

The previous prime is 1097606142887. The next prime is 1097606142917. The reversal of 1097606142889 is 9882416067901.

The square root of 1097606142889 is 1047667.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1097606142889 - 2¹ = 1097606142887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097606142887) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 523834 + ... + 1571500.

It is an arithmetic number, because the mean of its divisors is an integer number (365869063519).

Almost surely, 2^{1097606142889} is an apocalyptic number.

1097606142889 is the 1047667-th square number.

1097606142889 is the 523834-th centered octagonal number.

It is an amenable number.

1097606142889 is a deficient number, since it is larger than the sum of its proper divisors (1047668).

1097606142889 is an frugal number, since it uses more digits than its factorization.

1097606142889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095334 (or 1047667 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 1097606142889 in words is "one trillion, ninety-seven billion, six hundred six million, one hundred forty-two thousand, eight hundred eighty-nine".