814412899 has 2 divisors, whose sum is σ = 814412900. Its totient is φ = 814412898.

The previous prime is 814412857. The next prime is 814412909. The reversal of 814412899 is 998214418.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 814412899 - 2¹⁵ = 814380131 is a prime.

It is not a weakly prime, because it can be changed into another prime (814412399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407206449 + 407206450.

It is an arithmetic number, because the mean of its divisors is an integer number (407206450).

Almost surely, 2^814412899 is an apocalyptic number.

814412899 is a deficient number, since it is larger than the sum of its proper divisors (1).

814412899 is an equidigital number, since it uses as much as digits as its factorization.

814412899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 46.

The square root of 814412899 is about 28537.9203692210. The cubic root of 814412899 is about 933.8595144268.

The spelling of 814412899 in words is "eight hundred fourteen million, four hundred twelve thousand, eight hundred ninety-nine".