3138768263 has 2 divisors, whose sum is σ = 3138768264. Its totient is φ = 3138768262.

The previous prime is 3138768151. The next prime is 3138768277. The reversal of 3138768263 is 3628678313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3138768263 - 2¹⁶ = 3138702727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3138798263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569384131 + 1569384132.

It is an arithmetic number, because the mean of its divisors is an integer number (1569384132).

Almost surely, 2^3138768263 is an apocalyptic number.

3138768263 is a deficient number, since it is larger than the sum of its proper divisors (1).

3138768263 is an equidigital number, since it uses as much as digits as its factorization.

3138768263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 47.

The square root of 3138768263 is about 56024.7111817634. The cubic root of 3138768263 is about 1464.1528512447.

The spelling of 3138768263 in words is "three billion, one hundred thirty-eight million, seven hundred sixty-eight thousand, two hundred sixty-three".