1338274763 has 8 divisors (see below), whose sum is σ = 1550408928. Its totient is φ = 1131378624.

The previous prime is 1338274741. The next prime is 1338274771. The reversal of 1338274763 is 3674728331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1338274763 - 2⁶ = 1338274699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338274733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308956 + ... + 1309977.

It is an arithmetic number, because the mean of its divisors is an integer number (193801116).

Almost surely, 2^1338274763 is an apocalyptic number.

1338274763 is a deficient number, since it is larger than the sum of its proper divisors (212134165).

1338274763 is an equidigital number, since it uses as much as digits as its factorization.

1338274763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619013.

The product of its digits is 508032, while the sum is 44.

The square root of 1338274763 is about 36582.4379039998. The cubic root of 1338274763 is about 1102.0004268210. Note that the first 3 decimals are identical.

The spelling of 1338274763 in words is "one billion, three hundred thirty-eight million, two hundred seventy-four thousand, seven hundred sixty-three".