214697802149 has 4 divisors (see below), whose sum is σ = 219690774336. Its totient is φ = 209704829964.

The previous prime is 214697802101. The next prime is 214697802157. The reversal of 214697802149 is 941208796412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214697802149 - 2¹² = 214697798053 is a prime.

It is a super-2 number, since 2×214697802149² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214697802149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214697802049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2496486029 + ... + 2496486114.

It is an arithmetic number, because the mean of its divisors is an integer number (54922693584).

Almost surely, 2^214697802149 is an apocalyptic number.

It is an amenable number.

214697802149 is a deficient number, since it is larger than the sum of its proper divisors (4992972187).

214697802149 is an equidigital number, since it uses as much as digits as its factorization.

214697802149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992972186.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 214697802149 in words is "two hundred fourteen billion, six hundred ninety-seven million, eight hundred two thousand, one hundred forty-nine".