1262629960993 has 2 divisors, whose sum is σ = 1262629960994. Its totient is φ = 1262629960992.

The previous prime is 1262629960981. The next prime is 1262629961011. The reversal of 1262629960993 is 3990699262621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 884216747584 + 378413213409 = 940328^2 + 615153^2 .

It is an emirp because it is prime and its reverse (3990699262621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1262629960993 - 2⁹ = 1262629960481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1262629960793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631314980496 + 631314980497.

It is an arithmetic number, because the mean of its divisors is an integer number (631314980497).

Almost surely, 2^{1262629960993} is an apocalyptic number.

It is an amenable number.

1262629960993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262629960993 is an equidigital number, since it uses as much as digits as its factorization.

1262629960993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34012224, while the sum is 64.

The spelling of 1262629960993 in words is "one trillion, two hundred sixty-two billion, six hundred twenty-nine million, nine hundred sixty thousand, nine hundred ninety-three".