214004490993 has 10 divisors (see below), whose sum is σ = 319685721234. Its totient is φ = 142669660608.

The previous prime is 214004490979. The next prime is 214004491013. The reversal of 214004490993 is 399094400412.

It can be written as a sum of positive squares in only one way, i.e., 190241651889 + 23762839104 = 436167^2 + 154152^2 .

It is not a de Polignac number, because 214004490993 - 2⁴ = 214004490977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214004490943) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1321015296 + ... + 1321015457.

Almost surely, 2^214004490993 is an apocalyptic number.

It is an amenable number.

214004490993 is a deficient number, since it is larger than the sum of its proper divisors (105681230241).

214004490993 is an equidigital number, since it uses as much as digits as its factorization.

214004490993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642030765 (or 2642030756 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 214004490993 in words is "two hundred fourteen billion, four million, four hundred ninety thousand, nine hundred ninety-three".