14015530421 has 2 divisors, whose sum is σ = 14015530422. Its totient is φ = 14015530420.

The previous prime is 14015530411. The next prime is 14015530423. The reversal of 14015530421 is 12403551041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7807666321 + 6207864100 = 88361^2 + 78790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14015530421 is a prime.

Together with 14015530423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14015530423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7007765210 + 7007765211.

It is an arithmetic number, because the mean of its divisors is an integer number (7007765211).

Almost surely, 2^14015530421 is an apocalyptic number.

It is an amenable number.

14015530421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14015530421 is an equidigital number, since it uses as much as digits as its factorization.

14015530421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 14015530421 in words is "fourteen billion, fifteen million, five hundred thirty thousand, four hundred twenty-one".