6105532207421 has 2 divisors, whose sum is σ = 6105532207422. Its totient is φ = 6105532207420.

The previous prime is 6105532207399. The next prime is 6105532207447. The reversal of 6105532207421 is 1247022355016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5650062444196 + 455469763225 = 2376986^2 + 674885^2 .

It is a cyclic number.

It is not a de Polignac number, because 6105532207421 - 2⁴² = 1707485696317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6105532207451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052766103710 + 3052766103711.

It is an arithmetic number, because the mean of its divisors is an integer number (3052766103711).

Almost surely, 2^{6105532207421} is an apocalyptic number.

It is an amenable number.

6105532207421 is a deficient number, since it is larger than the sum of its proper divisors (1).

6105532207421 is an equidigital number, since it uses as much as digits as its factorization.

6105532207421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 6105532207421 in words is "six trillion, one hundred five billion, five hundred thirty-two million, two hundred seven thousand, four hundred twenty-one".