869399341051 has 2 divisors, whose sum is σ = 869399341052. Its totient is φ = 869399341050.

The previous prime is 869399341049. The next prime is 869399341079. The reversal of 869399341051 is 150143993968.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 869399341051 - 2¹ = 869399341049 is a prime.

Together with 869399341049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (869399341351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434699670525 + 434699670526.

It is an arithmetic number, because the mean of its divisors is an integer number (434699670526).

Almost surely, 2^869399341051 is an apocalyptic number.

869399341051 is a deficient number, since it is larger than the sum of its proper divisors (1).

869399341051 is an equidigital number, since it uses as much as digits as its factorization.

869399341051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 869399341051 in words is "eight hundred sixty-nine billion, three hundred ninety-nine million, three hundred forty-one thousand, fifty-one".