14901354821 has 2 divisors, whose sum is σ = 14901354822. Its totient is φ = 14901354820.

The previous prime is 14901354791. The next prime is 14901354829. The reversal of 14901354821 is 12845310941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14250390625 + 650964196 = 119375^2 + 25514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14901354821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14901354829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7450677410 + 7450677411.

It is an arithmetic number, because the mean of its divisors is an integer number (7450677411).

Almost surely, 2^14901354821 is an apocalyptic number.

It is an amenable number.

14901354821 is a deficient number, since it is larger than the sum of its proper divisors (1).

14901354821 is an equidigital number, since it uses as much as digits as its factorization.

14901354821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 14901354821 in words is "fourteen billion, nine hundred one million, three hundred fifty-four thousand, eight hundred twenty-one".