1379356263 has 32 divisors (see below), whose sum is σ = 2128389120. Its totient is φ = 882070560.

The previous prime is 1379356249. The next prime is 1379356273. The reversal of 1379356263 is 3626539731.

1379356263 is a `hidden beast` number, since 1 + 37 + 9 + 356 + 263 = 666.

It is not a de Polignac number, because 1379356263 - 2⁸ = 1379356007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379356213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61206 + ... + 80652.

It is an arithmetic number, because the mean of its divisors is an integer number (66512160).

Almost surely, 2^1379356263 is an apocalyptic number.

1379356263 is a deficient number, since it is larger than the sum of its proper divisors (749032857).

1379356263 is a wasteful number, since it uses less digits than its factorization.

1379356263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19564 (or 19558 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 1379356263 is about 37139.6858225807. The cubic root of 1379356263 is about 1113.1631396786.

The spelling of 1379356263 in words is "one billion, three hundred seventy-nine million, three hundred fifty-six thousand, two hundred sixty-three".