869141557346 has 4 divisors (see below), whose sum is σ = 1303712336022. Its totient is φ = 434570778672.

The previous prime is 869141557331. The next prime is 869141557369. The reversal of 869141557346 is 643755141968.

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

It can be written as a sum of positive squares in only one way, i.e., 742373515321 + 126768042025 = 861611^2 + 356045^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217285389335 + ... + 217285389338.

Almost surely, 2^869141557346 is an apocalyptic number.

869141557346 is a deficient number, since it is larger than the sum of its proper divisors (434570778676).

869141557346 is a wasteful number, since it uses less digits than its factorization.

869141557346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434570778675.

The product of its digits is 21772800, while the sum is 59.

The spelling of 869141557346 in words is "eight hundred sixty-nine billion, one hundred forty-one million, five hundred fifty-seven thousand, three hundred forty-six".