10891429 has 2 divisors, whose sum is σ = 10891430. Its totient is φ = 10891428.

The previous prime is 10891421. The next prime is 10891477. The reversal of 10891429 is 92419801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10227204 + 664225 = 3198^2 + 815^2 .

It is an emirp because it is prime and its reverse (92419801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10891429 - 2³ = 10891421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10891394 and 10891403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10891421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5445714 + 5445715.

It is an arithmetic number, because the mean of its divisors is an integer number (5445715).

Almost surely, 2^10891429 is an apocalyptic number.

It is an amenable number.

10891429 is a deficient number, since it is larger than the sum of its proper divisors (1).

10891429 is an equidigital number, since it uses as much as digits as its factorization.

10891429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 10891429 is about 3300.2165080491. The cubic root of 10891429 is about 221.6638922775.

The spelling of 10891429 in words is "ten million, eight hundred ninety-one thousand, four hundred twenty-nine".