10344531389 has 2 divisors, whose sum is σ = 10344531390. Its totient is φ = 10344531388.

The previous prime is 10344531343. The next prime is 10344531479. The reversal of 10344531389 is 98313544301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8625765625 + 1718765764 = 92875^2 + 41458^2 .

It is a cyclic number.

It is not a de Polignac number, because 10344531389 - 2¹² = 10344527293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10344531289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5172265694 + 5172265695.

It is an arithmetic number, because the mean of its divisors is an integer number (5172265695).

Almost surely, 2^10344531389 is an apocalyptic number.

It is an amenable number.

10344531389 is a deficient number, since it is larger than the sum of its proper divisors (1).

10344531389 is an equidigital number, since it uses as much as digits as its factorization.

10344531389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 10344531389 in words is "ten billion, three hundred forty-four million, five hundred thirty-one thousand, three hundred eighty-nine".