60138643 has 2 divisors, whose sum is σ = 60138644. Its totient is φ = 60138642.

The previous prime is 60138593. The next prime is 60138647. The reversal of 60138643 is 34683106.

60138643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60138643 is a prime.

It is not a weakly prime, because it can be changed into another prime (60138647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30069321 + 30069322.

It is an arithmetic number, because the mean of its divisors is an integer number (30069322).

Almost surely, 2^60138643 is an apocalyptic number.

60138643 is a deficient number, since it is larger than the sum of its proper divisors (1).

60138643 is an equidigital number, since it uses as much as digits as its factorization.

60138643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 60138643 is about 7754.9108956841. The cubic root of 60138643 is about 391.7880704882.

The spelling of 60138643 in words is "sixty million, one hundred thirty-eight thousand, six hundred forty-three".