58138949647 has 2 divisors, whose sum is σ = 58138949648. Its totient is φ = 58138949646.

The previous prime is 58138949593. The next prime is 58138949653. The reversal of 58138949647 is 74694983185.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 58138949647 - 2¹¹ = 58138947599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58138989647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29069474823 + 29069474824.

It is an arithmetic number, because the mean of its divisors is an integer number (29069474824).

Almost surely, 2^58138949647 is an apocalyptic number.

58138949647 is a deficient number, since it is larger than the sum of its proper divisors (1).

58138949647 is an equidigital number, since it uses as much as digits as its factorization.

58138949647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 64.

The spelling of 58138949647 in words is "fifty-eight billion, one hundred thirty-eight million, nine hundred forty-nine thousand, six hundred forty-seven".