6018362518621 has 2 divisors, whose sum is σ = 6018362518622. Its totient is φ = 6018362518620.

The previous prime is 6018362518603. The next prime is 6018362518631. The reversal of 6018362518621 is 1268152638106.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5253286920025 + 765075598596 = 2292005^2 + 874686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6018362518621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6018362518631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3009181259310 + 3009181259311.

It is an arithmetic number, because the mean of its divisors is an integer number (3009181259311).

Almost surely, 2^{6018362518621} is an apocalyptic number.

It is an amenable number.

6018362518621 is a deficient number, since it is larger than the sum of its proper divisors (1).

6018362518621 is an equidigital number, since it uses as much as digits as its factorization.

6018362518621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 6018362518621 in words is "six trillion, eighteen billion, three hundred sixty-two million, five hundred eighteen thousand, six hundred twenty-one".