6012089591821 has 2 divisors, whose sum is σ = 6012089591822. Its totient is φ = 6012089591820.

The previous prime is 6012089591719. The next prime is 6012089591839. The reversal of 6012089591821 is 1281959802106.

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., 5556457841796 + 455631750025 = 2357214^2 + 675005^2 .

It is a cyclic number.

It is not a de Polignac number, because 6012089591821 - 2²¹ = 6012087494669 is a prime.

It is a super-2 number, since 2×6012089591821² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6012089591891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3006044795910 + 3006044795911.

It is an arithmetic number, because the mean of its divisors is an integer number (3006044795911).

Almost surely, 2^{6012089591821} is an apocalyptic number.

It is an amenable number.

6012089591821 is a deficient number, since it is larger than the sum of its proper divisors (1).

6012089591821 is an equidigital number, since it uses as much as digits as its factorization.

6012089591821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 52.

The spelling of 6012089591821 in words is "six trillion, twelve billion, eighty-nine million, five hundred ninety-one thousand, eight hundred twenty-one".