5263431913 has 2 divisors, whose sum is σ = 5263431914. Its totient is φ = 5263431912.

The previous prime is 5263431871. The next prime is 5263431919. The reversal of 5263431913 is 3191343625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2770127424 + 2493304489 = 52632^2 + 49933^2 .

It is a cyclic number.

It is not a de Polignac number, because 5263431913 - 2²¹ = 5261334761 is a prime.

It is not a weakly prime, because it can be changed into another prime (5263431919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2631715956 + 2631715957.

It is an arithmetic number, because the mean of its divisors is an integer number (2631715957).

Almost surely, 2^5263431913 is an apocalyptic number.

It is an amenable number.

5263431913 is a deficient number, since it is larger than the sum of its proper divisors (1).

5263431913 is an equidigital number, since it uses as much as digits as its factorization.

5263431913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 37.

The square root of 5263431913 is about 72549.5135269700. The cubic root of 5263431913 is about 1739.4942724777.

The spelling of 5263431913 in words is "five billion, two hundred sixty-three million, four hundred thirty-one thousand, nine hundred thirteen".