5231439373 has 2 divisors, whose sum is σ = 5231439374. Its totient is φ = 5231439372.

The previous prime is 5231439349. The next prime is 5231439377. The reversal of 5231439373 is 3739341325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5221218564 + 10220809 = 72258^2 + 3197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5231439373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5231439377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615719686 + 2615719687.

It is an arithmetic number, because the mean of its divisors is an integer number (2615719687).

Almost surely, 2^5231439373 is an apocalyptic number.

It is an amenable number.

5231439373 is a deficient number, since it is larger than the sum of its proper divisors (1).

5231439373 is an equidigital number, since it uses as much as digits as its factorization.

5231439373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 40.

The square root of 5231439373 is about 72328.6898332881. The cubic root of 5231439373 is about 1735.9627378662.

The spelling of 5231439373 in words is "five billion, two hundred thirty-one million, four hundred thirty-nine thousand, three hundred seventy-three".