60721622849 has 2 divisors, whose sum is σ = 60721622850. Its totient is φ = 60721622848.

The previous prime is 60721622803. The next prime is 60721622861. The reversal of 60721622849 is 94822612706.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59117059600 + 1604563249 = 243140^2 + 40057^2 .

It is a cyclic number.

It is not a de Polignac number, because 60721622849 - 2²⁴ = 60704845633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (60721622149) 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, 30360811424 + 30360811425.

It is an arithmetic number, because the mean of its divisors is an integer number (30360811425).

Almost surely, 2^60721622849 is an apocalyptic number.

It is an amenable number.

60721622849 is a deficient number, since it is larger than the sum of its proper divisors (1).

60721622849 is an equidigital number, since it uses as much as digits as its factorization.

60721622849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 60721622849 in words is "sixty billion, seven hundred twenty-one million, six hundred twenty-two thousand, eight hundred forty-nine".