1002606622421 has 2 divisors, whose sum is σ = 1002606622422. Its totient is φ = 1002606622420.

The previous prime is 1002606622411. The next prime is 1002606622427. The reversal of 1002606622421 is 1242266062001.

1002606622421 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., 606040452196 + 396566170225 = 778486^2 + 629735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002606622421 - 2²² = 1002602428117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002606622427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501303311210 + 501303311211.

It is an arithmetic number, because the mean of its divisors is an integer number (501303311211).

Almost surely, 2^{1002606622421} is an apocalyptic number.

It is an amenable number.

1002606622421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002606622421 is an equidigital number, since it uses as much as digits as its factorization.

1002606622421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 1002606622421 in words is "one trillion, two billion, six hundred six million, six hundred twenty-two thousand, four hundred twenty-one".