1274963989751 has 2 divisors, whose sum is σ = 1274963989752. Its totient is φ = 1274963989750.

The previous prime is 1274963989697. The next prime is 1274963989771. The reversal of 1274963989751 is 1579893694721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1274963989751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1274963989771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637481994875 + 637481994876.

It is an arithmetic number, because the mean of its divisors is an integer number (637481994876).

Almost surely, 2^{1274963989751} is an apocalyptic number.

1274963989751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274963989751 is an equidigital number, since it uses as much as digits as its factorization.

1274963989751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 205752960, while the sum is 71.

The spelling of 1274963989751 in words is "one trillion, two hundred seventy-four billion, nine hundred sixty-three million, nine hundred eighty-nine thousand, seven hundred fifty-one".