60921814589 has 2 divisors, whose sum is σ = 60921814590. Its totient is φ = 60921814588.

The previous prime is 60921814553. The next prime is 60921814609. The reversal of 60921814589 is 98541812906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59992174489 + 929640100 = 244933^2 + 30490^2 .

It is a cyclic number.

It is not a de Polignac number, because 60921814589 - 2²⁸ = 60653379133 is a prime.

It is a super-2 number, since 2×60921814589² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 60921814589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60921814519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30460907294 + 30460907295.

It is an arithmetic number, because the mean of its divisors is an integer number (30460907295).

Almost surely, 2^60921814589 is an apocalyptic number.

It is an amenable number.

60921814589 is a deficient number, since it is larger than the sum of its proper divisors (1).

60921814589 is an equidigital number, since it uses as much as digits as its factorization.

60921814589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 60921814589 in words is "sixty billion, nine hundred twenty-one million, eight hundred fourteen thousand, five hundred eighty-nine".