10819493441 has 2 divisors, whose sum is σ = 10819493442. Its totient is φ = 10819493440.

The previous prime is 10819493429. The next prime is 10819493471. The reversal of 10819493441 is 14439491801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8523167041 + 2296326400 = 92321^2 + 47920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10819493441 is a prime.

It is a super-2 number, since 2×10819493441² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10819493392 and 10819493401.

It is not a weakly prime, because it can be changed into another prime (10819493471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5409746720 + 5409746721.

It is an arithmetic number, because the mean of its divisors is an integer number (5409746721).

Almost surely, 2^10819493441 is an apocalyptic number.

It is an amenable number.

10819493441 is a deficient number, since it is larger than the sum of its proper divisors (1).

10819493441 is an equidigital number, since it uses as much as digits as its factorization.

10819493441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 10819493441 in words is "ten billion, eight hundred nineteen million, four hundred ninety-three thousand, four hundred forty-one".