14751208421 has 2 divisors, whose sum is σ = 14751208422. Its totient is φ = 14751208420.

The previous prime is 14751208399. The next prime is 14751208457. The reversal of 14751208421 is 12480215741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13841522500 + 909685921 = 117650^2 + 30161^2 .

It is a cyclic number.

It is not a de Polignac number, because 14751208421 - 2⁶ = 14751208357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14751208471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7375604210 + 7375604211.

It is an arithmetic number, because the mean of its divisors is an integer number (7375604211).

Almost surely, 2^14751208421 is an apocalyptic number.

It is an amenable number.

14751208421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14751208421 is an equidigital number, since it uses as much as digits as its factorization.

14751208421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 14751208421 in words is "fourteen billion, seven hundred fifty-one million, two hundred eight thousand, four hundred twenty-one".