868051369 has 2 divisors, whose sum is σ = 868051370. Its totient is φ = 868051368.

The previous prime is 868051321. The next prime is 868051439. The reversal of 868051369 is 963150868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 777573225 + 90478144 = 27885^2 + 9512^2 .

It is a cyclic number.

It is not a de Polignac number, because 868051369 - 2¹⁷ = 867920297 is a prime.

It is a super-2 number, since 2×868051369² = 1507026358445548322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (868051069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434025684 + 434025685.

It is an arithmetic number, because the mean of its divisors is an integer number (434025685).

Almost surely, 2^868051369 is an apocalyptic number.

It is an amenable number.

868051369 is a deficient number, since it is larger than the sum of its proper divisors (1).

868051369 is an equidigital number, since it uses as much as digits as its factorization.

868051369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 868051369 is about 29462.7115011501. The cubic root of 868051369 is about 953.9270018875.

The spelling of 868051369 in words is "eight hundred sixty-eight million, fifty-one thousand, three hundred sixty-nine".