39948591359 has 2 divisors, whose sum is σ = 39948591360. Its totient is φ = 39948591358.

The previous prime is 39948591337. The next prime is 39948591373. The reversal of 39948591359 is 95319584993.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39948591359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39948591295 and 39948591304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39948591659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19974295679 + 19974295680.

It is an arithmetic number, because the mean of its divisors is an integer number (19974295680).

Almost surely, 2^39948591359 is an apocalyptic number.

39948591359 is a deficient number, since it is larger than the sum of its proper divisors (1).

39948591359 is an equidigital number, since it uses as much as digits as its factorization.

39948591359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47239200, while the sum is 65.

The spelling of 39948591359 in words is "thirty-nine billion, nine hundred forty-eight million, five hundred ninety-one thousand, three hundred fifty-nine".