5179975639 has 2 divisors, whose sum is σ = 5179975640. Its totient is φ = 5179975638.

The previous prime is 5179975631. The next prime is 5179975651. The reversal of 5179975639 is 9365799715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5179975639 - 2³ = 5179975631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5179975631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2589987819 + 2589987820.

It is an arithmetic number, because the mean of its divisors is an integer number (2589987820).

Almost surely, 2^5179975639 is an apocalyptic number.

5179975639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5179975639 is an equidigital number, since it uses as much as digits as its factorization.

5179975639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16074450, while the sum is 61.

The square root of 5179975639 is about 71972.0476226708. The cubic root of 5179975639 is about 1730.2515186671.

The spelling of 5179975639 in words is "five billion, one hundred seventy-nine million, nine hundred seventy-five thousand, six hundred thirty-nine".