768966128453 has 2 divisors, whose sum is σ = 768966128454. Its totient is φ = 768966128452.

The previous prime is 768966128387. The next prime is 768966128501. The reversal of 768966128453 is 354821669867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 648319663489 + 120646464964 = 805183^2 + 347342^2 .

It is a cyclic number.

It is not a de Polignac number, because 768966128453 - 2³⁸ = 494088221509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 768966128453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768966128153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384483064226 + 384483064227.

It is an arithmetic number, because the mean of its divisors is an integer number (384483064227).

Almost surely, 2^768966128453 is an apocalyptic number.

It is an amenable number.

768966128453 is a deficient number, since it is larger than the sum of its proper divisors (1).

768966128453 is an equidigital number, since it uses as much as digits as its factorization.

768966128453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104509440, while the sum is 65.

The spelling of 768966128453 in words is "seven hundred sixty-eight billion, nine hundred sixty-six million, one hundred twenty-eight thousand, four hundred fifty-three".