869214901 has 2 divisors, whose sum is σ = 869214902. Its totient is φ = 869214900.

The previous prime is 869214877. The next prime is 869214923. The reversal of 869214901 is 109412968.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 864418801 + 4796100 = 29401^2 + 2190^2 .

It is a cyclic number.

It is not a de Polignac number, because 869214901 - 2²⁷ = 734997173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869214991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434607450 + 434607451.

It is an arithmetic number, because the mean of its divisors is an integer number (434607451).

Almost surely, 2^869214901 is an apocalyptic number.

It is an amenable number.

869214901 is a deficient number, since it is larger than the sum of its proper divisors (1).

869214901 is an equidigital number, since it uses as much as digits as its factorization.

869214901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 869214901 is about 29482.4507292050. The cubic root of 869214901 is about 954.3530246969.

The spelling of 869214901 in words is "eight hundred sixty-nine million, two hundred fourteen thousand, nine hundred one".