14959794770021 has 2 divisors, whose sum is σ = 14959794770022. Its totient is φ = 14959794770020.

The previous prime is 14959794769919. The next prime is 14959794770027. The reversal of 14959794770021 is 12007749795941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10450058349025 + 4509736420996 = 3232655^2 + 2123614^2 .

It is a cyclic number.

It is not a de Polignac number, because 14959794770021 - 2⁴² = 10561748258917 is a prime.

It is a super-2 number, since 2×14959794770021² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14959794770021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14959794770027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7479897385010 + 7479897385011.

It is an arithmetic number, because the mean of its divisors is an integer number (7479897385011).

Almost surely, 2^{14959794770021} is an apocalyptic number.

It is an amenable number.

14959794770021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14959794770021 is an equidigital number, since it uses as much as digits as its factorization.

14959794770021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40007520, while the sum is 65.

The spelling of 14959794770021 in words is "fourteen trillion, nine hundred fifty-nine billion, seven hundred ninety-four million, seven hundred seventy thousand, twenty-one".