60391817089 has 2 divisors, whose sum is σ = 60391817090. Its totient is φ = 60391817088.

The previous prime is 60391817051. The next prime is 60391817111. The reversal of 60391817089 is 98071819306.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44023173489 + 16368643600 = 209817^2 + 127940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60391817089 is a prime.

It is a super-2 number, since 2×60391817089² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60391877089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30195908544 + 30195908545.

It is an arithmetic number, because the mean of its divisors is an integer number (30195908545).

Almost surely, 2^60391817089 is an apocalyptic number.

It is an amenable number.

60391817089 is a deficient number, since it is larger than the sum of its proper divisors (1).

60391817089 is an equidigital number, since it uses as much as digits as its factorization.

60391817089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 60391817089 in words is "sixty billion, three hundred ninety-one million, eight hundred seventeen thousand, eighty-nine".