60538774997 has 2 divisors, whose sum is σ = 60538774998. Its totient is φ = 60538774996.

The previous prime is 60538774993. The next prime is 60538775057. The reversal of 60538774997 is 79947783506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56361608836 + 4177166161 = 237406^2 + 64631^2 .

It is a cyclic number.

It is not a de Polignac number, because 60538774997 - 2² = 60538774993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60538774993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30269387498 + 30269387499.

It is an arithmetic number, because the mean of its divisors is an integer number (30269387499).

Almost surely, 2^60538774997 is an apocalyptic number.

It is an amenable number.

60538774997 is a deficient number, since it is larger than the sum of its proper divisors (1).

60538774997 is an equidigital number, since it uses as much as digits as its factorization.

60538774997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80015040, while the sum is 65.

The spelling of 60538774997 in words is "sixty billion, five hundred thirty-eight million, seven hundred seventy-four thousand, nine hundred ninety-seven".