869356373 has 2 divisors, whose sum is σ = 869356374. Its totient is φ = 869356372.

The previous prime is 869356363. The next prime is 869356391. The reversal of 869356373 is 373653968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 482329444 + 387026929 = 21962^2 + 19673^2 .

It is a cyclic number.

It is not a de Polignac number, because 869356373 - 2²² = 865162069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869356363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434678186 + 434678187.

It is an arithmetic number, because the mean of its divisors is an integer number (434678187).

Almost surely, 2^869356373 is an apocalyptic number.

It is an amenable number.

869356373 is a deficient number, since it is larger than the sum of its proper divisors (1).

869356373 is an equidigital number, since it uses as much as digits as its factorization.

869356373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 50.

The square root of 869356373 is about 29484.8498893923. The cubic root of 869356373 is about 954.4047982022.

The spelling of 869356373 in words is "eight hundred sixty-nine million, three hundred fifty-six thousand, three hundred seventy-three".