214897812859 has 2 divisors, whose sum is σ = 214897812860. Its totient is φ = 214897812858.

The previous prime is 214897812799. The next prime is 214897812929. The reversal of 214897812859 is 958218798412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214897812859 - 2⁹ = 214897812347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214897812859.

It is not a weakly prime, because it can be changed into another prime (214897812559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107448906429 + 107448906430.

It is an arithmetic number, because the mean of its divisors is an integer number (107448906430).

Almost surely, 2^214897812859 is an apocalyptic number.

214897812859 is a deficient number, since it is larger than the sum of its proper divisors (1).

214897812859 is an equidigital number, since it uses as much as digits as its factorization.

214897812859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23224320, while the sum is 64.

The spelling of 214897812859 in words is "two hundred fourteen billion, eight hundred ninety-seven million, eight hundred twelve thousand, eight hundred fifty-nine".