60138495997 has 2 divisors, whose sum is σ = 60138495998. Its totient is φ = 60138495996.

The previous prime is 60138495971. The next prime is 60138496003. The reversal of 60138495997 is 79959483106.

60138495997 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 can be written as a sum of positive squares in only one way, i.e., 48887863236 + 11250632761 = 221106^2 + 106069^2 .

It is a cyclic number.

It is not a de Polignac number, because 60138495997 - 2⁷ = 60138495869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60138495947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30069247998 + 30069247999.

It is an arithmetic number, because the mean of its divisors is an integer number (30069247999).

Almost surely, 2^60138495997 is an apocalyptic number.

It is an amenable number.

60138495997 is a deficient number, since it is larger than the sum of its proper divisors (1).

60138495997 is an equidigital number, since it uses as much as digits as its factorization.

60138495997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 60138495997 in words is "sixty billion, one hundred thirty-eight million, four hundred ninety-five thousand, nine hundred ninety-seven".