1252776276379 has 2 divisors, whose sum is σ = 1252776276380. Its totient is φ = 1252776276378.

The previous prime is 1252776276359. The next prime is 1252776276421. The reversal of 1252776276379 is 9736726772521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1252776276379 - 2⁹ = 1252776275867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252776276379.

It is not a weakly prime, because it can be changed into another prime (1252776276359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626388138189 + 626388138190.

It is an arithmetic number, because the mean of its divisors is an integer number (626388138190).

Almost surely, 2^{1252776276379} is an apocalyptic number.

1252776276379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252776276379 is an equidigital number, since it uses as much as digits as its factorization.

1252776276379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93350880, while the sum is 64.

The spelling of 1252776276379 in words is "one trillion, two hundred fifty-two billion, seven hundred seventy-six million, two hundred seventy-six thousand, three hundred seventy-nine".