60944891569 has 2 divisors, whose sum is σ = 60944891570. Its totient is φ = 60944891568.

The previous prime is 60944891479. The next prime is 60944891603. The reversal of 60944891569 is 96519844906.

60944891569 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., 53239563169 + 7705328400 = 230737^2 + 87780^2 .

It is a cyclic number.

It is not a de Polignac number, because 60944891569 - 2⁹ = 60944891057 is a prime.

It is a super-2 number, since 2×60944891569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60944891269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30472445784 + 30472445785.

It is an arithmetic number, because the mean of its divisors is an integer number (30472445785).

Almost surely, 2^60944891569 is an apocalyptic number.

It is an amenable number.

60944891569 is a deficient number, since it is larger than the sum of its proper divisors (1).

60944891569 is an equidigital number, since it uses as much as digits as its factorization.

60944891569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 60944891569 in words is "sixty billion, nine hundred forty-four million, eight hundred ninety-one thousand, five hundred sixty-nine".