8442602480621 has 2 divisors, whose sum is σ = 8442602480622. Its totient is φ = 8442602480620.

The previous prime is 8442602480597. The next prime is 8442602480681. The reversal of 8442602480621 is 1260842062448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7355410471396 + 1087192009225 = 2712086^2 + 1042685^2 .

It is a cyclic number.

It is not a de Polignac number, because 8442602480621 - 2¹⁴ = 8442602464237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8442602480681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4221301240310 + 4221301240311.

It is an arithmetic number, because the mean of its divisors is an integer number (4221301240311).

Almost surely, 2^{8442602480621} is an apocalyptic number.

It is an amenable number.

8442602480621 is a deficient number, since it is larger than the sum of its proper divisors (1).

8442602480621 is an equidigital number, since it uses as much as digits as its factorization.

8442602480621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1179648, while the sum is 47.

The spelling of 8442602480621 in words is "eight trillion, four hundred forty-two billion, six hundred two million, four hundred eighty thousand, six hundred twenty-one".