14457921587 has 2 divisors, whose sum is σ = 14457921588. Its totient is φ = 14457921586.

The previous prime is 14457921559. The next prime is 14457921589. The reversal of 14457921587 is 78512975441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14457921587 is a prime.

Together with 14457921589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14457921589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7228960793 + 7228960794.

It is an arithmetic number, because the mean of its divisors is an integer number (7228960794).

Almost surely, 2^14457921587 is an apocalyptic number.

14457921587 is a deficient number, since it is larger than the sum of its proper divisors (1).

14457921587 is an equidigital number, since it uses as much as digits as its factorization.

14457921587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2822400, while the sum is 53.

The spelling of 14457921587 in words is "fourteen billion, four hundred fifty-seven million, nine hundred twenty-one thousand, five hundred eighty-seven".