214023241987 has 4 divisors (see below), whose sum is σ = 214025391160. Its totient is φ = 214021092816.

The previous prime is 214023241969. The next prime is 214023242053. The reversal of 214023241987 is 789142320412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214023241987 is a prime.

It is a super-2 number, since 2×214023241987² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214023241967) 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, 917562 + ... + 1126927.

It is an arithmetic number, because the mean of its divisors is an integer number (53506347790).

Almost surely, 2^214023241987 is an apocalyptic number.

214023241987 is a deficient number, since it is larger than the sum of its proper divisors (2149173).

214023241987 is a wasteful number, since it uses less digits than its factorization.

214023241987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149172.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 214023241987 in words is "two hundred fourteen billion, twenty-three million, two hundred forty-one thousand, nine hundred eighty-seven".