14779746206957 has 2 divisors, whose sum is σ = 14779746206958. Its totient is φ = 14779746206956.

The previous prime is 14779746206837. The next prime is 14779746206969. The reversal of 14779746206957 is 75960264797741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14406359216041 + 373386990916 = 3795571^2 + 611054^2 .

It is an emirp because it is prime and its reverse (75960264797741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14779746206957 - 2¹⁶ = 14779746141421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14779746206257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7389873103478 + 7389873103479.

It is an arithmetic number, because the mean of its divisors is an integer number (7389873103479).

Almost surely, 2^{14779746206957} is an apocalyptic number.

It is an amenable number.

14779746206957 is a deficient number, since it is larger than the sum of its proper divisors (1).

14779746206957 is an equidigital number, since it uses as much as digits as its factorization.

14779746206957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120210560, while the sum is 74.

The spelling of 14779746206957 in words is "fourteen trillion, seven hundred seventy-nine billion, seven hundred forty-six million, two hundred six thousand, nine hundred fifty-seven".