1262896993 has 2 divisors, whose sum is σ = 1262896994. Its totient is φ = 1262896992.

The previous prime is 1262896981. The next prime is 1262897023. The reversal of 1262896993 is 3996982621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 672261184 + 590635809 = 25928^2 + 24303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1262896993 - 2⁵ = 1262896961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1262896963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631448496 + 631448497.

It is an arithmetic number, because the mean of its divisors is an integer number (631448497).

Almost surely, 2^1262896993 is an apocalyptic number.

It is an amenable number.

1262896993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262896993 is an equidigital number, since it uses as much as digits as its factorization.

1262896993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 55.

The square root of 1262896993 is about 35537.2620357844. The cubic root of 1262896993 is about 1080.9094400163.

The spelling of 1262896993 in words is "one billion, two hundred sixty-two million, eight hundred ninety-six thousand, nine hundred ninety-three".