10856306642 has 4 divisors (see below), whose sum is σ = 16284459966. Its totient is φ = 5428153320.

The previous prime is 10856306627. The next prime is 10856306663. The reversal of 10856306642 is 24660365801.

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

It can be written as a sum of positive squares in only one way, i.e., 9711905401 + 1144401241 = 98549^2 + 33829^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10856306642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2714076659 + ... + 2714076662.

Almost surely, 2^10856306642 is an apocalyptic number.

10856306642 is a deficient number, since it is larger than the sum of its proper divisors (5428153324).

10856306642 is an equidigital number, since it uses as much as digits as its factorization.

10856306642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428153323.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 10856306642 in words is "ten billion, eight hundred fifty-six million, three hundred six thousand, six hundred forty-two".