914813869 has 2 divisors, whose sum is σ = 914813870. Its totient is φ = 914813868.

The previous prime is 914813857. The next prime is 914813897. The reversal of 914813869 is 968318419.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 669515625 + 245298244 = 25875^2 + 15662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-914813869 is a prime.

It is a super-2 number, since 2×914813869² = 1673768829829498322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (914813269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457406934 + 457406935.

It is an arithmetic number, because the mean of its divisors is an integer number (457406935).

Almost surely, 2^914813869 is an apocalyptic number.

It is an amenable number.

914813869 is a deficient number, since it is larger than the sum of its proper divisors (1).

914813869 is an equidigital number, since it uses as much as digits as its factorization.

914813869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 49.

The square root of 914813869 is about 30245.8901175019. The cubic root of 914813869 is about 970.7578549698.

The spelling of 914813869 in words is "nine hundred fourteen million, eight hundred thirteen thousand, eight hundred sixty-nine".