60138650879 has 2 divisors, whose sum is σ = 60138650880. Its totient is φ = 60138650878.

The previous prime is 60138650863. The next prime is 60138650881. The reversal of 60138650879 is 97805683106.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60138650879 - 2⁴ = 60138650863 is a prime.

It is a Sophie Germain prime.

Together with 60138650881, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60138650879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60138650809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30069325439 + 30069325440.

It is an arithmetic number, because the mean of its divisors is an integer number (30069325440).

Almost surely, 2^60138650879 is an apocalyptic number.

60138650879 is a deficient number, since it is larger than the sum of its proper divisors (1).

60138650879 is an equidigital number, since it uses as much as digits as its factorization.

60138650879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 60138650879 in words is "sixty billion, one hundred thirty-eight million, six hundred fifty thousand, eight hundred seventy-nine".