10819244642 has 16 divisors (see below), whose sum is σ = 16335324960. Its totient is φ = 5374164672.

The previous prime is 10819244641. The next prime is 10819244659. The reversal of 10819244642 is 24644291801.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10819244642.

It is not an unprimeable number, because it can be changed into a prime (10819244641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978698 + ... + 989690.

It is an arithmetic number, because the mean of its divisors is an integer number (1020957810).

Almost surely, 2^10819244642 is an apocalyptic number.

10819244642 is a deficient number, since it is larger than the sum of its proper divisors (5516080318).

10819244642 is a wasteful number, since it uses less digits than its factorization.

10819244642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14177.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 10819244642 in words is "ten billion, eight hundred nineteen million, two hundred forty-four thousand, six hundred forty-two".