10438357291 has 2 divisors, whose sum is σ = 10438357292. Its totient is φ = 10438357290.

The previous prime is 10438357277. The next prime is 10438357309. The reversal of 10438357291 is 19275383401.

10438357291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10438357291 - 2²¹ = 10436260139 is a prime.

It is not a weakly prime, because it can be changed into another prime (10438357091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5219178645 + 5219178646.

It is an arithmetic number, because the mean of its divisors is an integer number (5219178646).

Almost surely, 2^10438357291 is an apocalyptic number.

10438357291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10438357291 is an equidigital number, since it uses as much as digits as its factorization.

10438357291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 10438357291 in words is "ten billion, four hundred thirty-eight million, three hundred fifty-seven thousand, two hundred ninety-one".