1383779263 has 2 divisors, whose sum is σ = 1383779264. Its totient is φ = 1383779262.

The previous prime is 1383779239. The next prime is 1383779269. The reversal of 1383779263 is 3629773831.

It is a strong prime.

It is an emirp because it is prime and its reverse (3629773831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1383779263 - 2⁵ = 1383779231 is a prime.

It is a super-3 number, since 3×1383779263³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383779269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691889631 + 691889632.

It is an arithmetic number, because the mean of its divisors is an integer number (691889632).

Almost surely, 2^1383779263 is an apocalyptic number.

1383779263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383779263 is an equidigital number, since it uses as much as digits as its factorization.

1383779263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 49.

The square root of 1383779263 is about 37199.1836335154. The cubic root of 1383779263 is about 1114.3516813964.

The spelling of 1383779263 in words is "one billion, three hundred eighty-three million, seven hundred seventy-nine thousand, two hundred sixty-three".