10798782499 has 4 divisors (see below), whose sum is σ = 11062167480. Its totient is φ = 10535397520.

The previous prime is 10798782493. The next prime is 10798782523. The reversal of 10798782499 is 99428789701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99428789701 = 157 ⋅633304393.

It is a cyclic number.

It is not a de Polignac number, because 10798782499 - 2¹¹ = 10798780451 is a prime.

It is a super-2 number, since 2×10798782499² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10798782499.

It is not an unprimeable number, because it can be changed into a prime (10798782493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131692429 + ... + 131692510.

It is an arithmetic number, because the mean of its divisors is an integer number (2765541870).

Almost surely, 2^10798782499 is an apocalyptic number.

10798782499 is a deficient number, since it is larger than the sum of its proper divisors (263384981).

10798782499 is an equidigital number, since it uses as much as digits as its factorization.

10798782499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263384980.

The product of its (nonzero) digits is 18289152, while the sum is 64.

The spelling of 10798782499 in words is "ten billion, seven hundred ninety-eight million, seven hundred eighty-two thousand, four hundred ninety-nine".