10442210309 has 2 divisors, whose sum is σ = 10442210310. Its totient is φ = 10442210308.

The previous prime is 10442210297. The next prime is 10442210353. The reversal of 10442210309 is 90301224401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5267566084 + 5174644225 = 72578^2 + 71935^2 .

It is a cyclic number.

It is not a de Polignac number, because 10442210309 - 2²⁰ = 10441161733 is a prime.

It is a super-2 number, since 2×10442210309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10442210609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5221105154 + 5221105155.

It is an arithmetic number, because the mean of its divisors is an integer number (5221105155).

Almost surely, 2^10442210309 is an apocalyptic number.

It is an amenable number.

10442210309 is a deficient number, since it is larger than the sum of its proper divisors (1).

10442210309 is an equidigital number, since it uses as much as digits as its factorization.

10442210309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 10442210309 in words is "ten billion, four hundred forty-two million, two hundred ten thousand, three hundred nine".