10819648651 has 4 divisors (see below), whose sum is σ = 12365312752. Its totient is φ = 9273984552.

The previous prime is 10819648621. The next prime is 10819648663. The reversal of 10819648651 is 15684691801.

10819648651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10819648651 - 2¹⁵ = 10819615883 is a prime.

It is a super-2 number, since 2×10819648651² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10819648595 and 10819648604.

It is not an unprimeable number, because it can be changed into a prime (10819648621) 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 in 3 ways as a sum of consecutive naturals, for example, 772832040 + ... + 772832053.

It is an arithmetic number, because the mean of its divisors is an integer number (3091328188).

Almost surely, 2^10819648651 is an apocalyptic number.

10819648651 is a deficient number, since it is larger than the sum of its proper divisors (1545664101).

10819648651 is an equidigital number, since it uses as much as digits as its factorization.

10819648651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545664100.

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 10819648651 in words is "ten billion, eight hundred nineteen million, six hundred forty-eight thousand, six hundred fifty-one".