1263750793 has 2 divisors, whose sum is σ = 1263750794. Its totient is φ = 1263750792.

The previous prime is 1263750757. The next prime is 1263750821. The reversal of 1263750793 is 3970573621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149752464 + 113998329 = 33908^2 + 10677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1263750793 - 2²⁵ = 1230196361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1263750713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631875396 + 631875397.

It is an arithmetic number, because the mean of its divisors is an integer number (631875397).

Almost surely, 2^1263750793 is an apocalyptic number.

It is an amenable number.

1263750793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263750793 is an equidigital number, since it uses as much as digits as its factorization.

1263750793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 1263750793 is about 35549.2727492420. The cubic root of 1263750793 is about 1081.1529733600.

The spelling of 1263750793 in words is "one billion, two hundred sixty-three million, seven hundred fifty thousand, seven hundred ninety-three".