1263414943 has 16 divisors (see below), whose sum is σ = 1476633600. Its totient is φ = 1058442336.

The previous prime is 1263414931. The next prime is 1263414947. The reversal of 1263414943 is 3494143621.

It is not a de Polignac number, because 1263414943 - 2¹³ = 1263406751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263414947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288333 + ... + 292681.

It is an arithmetic number, because the mean of its divisors is an integer number (92289600).

Almost surely, 2^1263414943 is an apocalyptic number.

1263414943 is a deficient number, since it is larger than the sum of its proper divisors (213218657).

1263414943 is an equidigital number, since it uses as much as digits as its factorization.

1263414943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286.

The product of its digits is 62208, while the sum is 37.

The square root of 1263414943 is about 35544.5487100343. The cubic root of 1263414943 is about 1081.0571903942.

The spelling of 1263414943 in words is "one billion, two hundred sixty-three million, four hundred fourteen thousand, nine hundred forty-three".