10893478549 has 2 divisors, whose sum is σ = 10893478550. Its totient is φ = 10893478548.

The previous prime is 10893478513. The next prime is 10893478567. The reversal of 10893478549 is 94587439801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8976615025 + 1916863524 = 94745^2 + 43782^2 .

It is an emirp because it is prime and its reverse (94587439801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10893478549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10893478493 and 10893478502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10893478579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5446739274 + 5446739275.

It is an arithmetic number, because the mean of its divisors is an integer number (5446739275).

Almost surely, 2^10893478549 is an apocalyptic number.

It is an amenable number.

10893478549 is a deficient number, since it is larger than the sum of its proper divisors (1).

10893478549 is an equidigital number, since it uses as much as digits as its factorization.

10893478549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 10893478549 in words is "ten billion, eight hundred ninety-three million, four hundred seventy-eight thousand, five hundred forty-nine".