869342401 has 2 divisors, whose sum is σ = 869342402. Its totient is φ = 869342400.

The previous prime is 869342363. The next prime is 869342429. The reversal of 869342401 is 104243968.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 855504001 + 13838400 = 29249^2 + 3720^2 .

It is a cyclic number.

It is not a de Polignac number, because 869342401 - 2⁷ = 869342273 is a prime.

It is equal to p_44521858 and since 869342401 and 44521858 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (869343401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434671200 + 434671201.

It is an arithmetic number, because the mean of its divisors is an integer number (434671201).

Almost surely, 2^869342401 is an apocalyptic number.

It is an amenable number.

869342401 is a deficient number, since it is larger than the sum of its proper divisors (1).

869342401 is an equidigital number, since it uses as much as digits as its factorization.

869342401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 869342401 is about 29484.6129531998. The cubic root of 869342401 is about 954.3996852184.

The spelling of 869342401 in words is "eight hundred sixty-nine million, three hundred forty-two thousand, four hundred one".