5237279639 has 2 divisors, whose sum is σ = 5237279640. Its totient is φ = 5237279638.

The previous prime is 5237279627. The next prime is 5237279683. The reversal of 5237279639 is 9369727325.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5237279639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5237279939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2618639819 + 2618639820.

It is an arithmetic number, because the mean of its divisors is an integer number (2618639820).

Almost surely, 2^5237279639 is an apocalyptic number.

5237279639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5237279639 is an equidigital number, since it uses as much as digits as its factorization.

5237279639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 53.

The square root of 5237279639 is about 72369.0516657500. The cubic root of 5237279639 is about 1736.6084947332.

The spelling of 5237279639 in words is "five billion, two hundred thirty-seven million, two hundred seventy-nine thousand, six hundred thirty-nine".