10344011989 has 2 divisors, whose sum is σ = 10344011990. Its totient is φ = 10344011988.

The previous prime is 10344011971. The next prime is 10344012023. The reversal of 10344011989 is 98911044301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7315380900 + 3028631089 = 85530^2 + 55033^2 .

It is a cyclic number.

It is not a de Polignac number, because 10344011989 - 2¹⁷ = 10343880917 is a prime.

It is a super-2 number, since 2×10344011989² (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 (10344011959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5172005994 + 5172005995.

It is an arithmetic number, because the mean of its divisors is an integer number (5172005995).

Almost surely, 2^10344011989 is an apocalyptic number.

It is an amenable number.

10344011989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10344011989 is an equidigital number, since it uses as much as digits as its factorization.

10344011989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 10344011989 in words is "ten billion, three hundred forty-four million, eleven thousand, nine hundred eighty-nine".