10791890651 has 4 divisors (see below), whose sum is σ = 11261103312. Its totient is φ = 10322677992.

The previous prime is 10791890647. The next prime is 10791890663. The reversal of 10791890651 is 15609819701.

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

It is a cyclic number.

It is not a de Polignac number, because 10791890651 - 2² = 10791890647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10791890596 and 10791890605.

It is not an unprimeable number, because it can be changed into a prime (10791890621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234606296 + ... + 234606341.

It is an arithmetic number, because the mean of its divisors is an integer number (2815275828).

Almost surely, 2^10791890651 is an apocalyptic number.

10791890651 is a deficient number, since it is larger than the sum of its proper divisors (469212661).

10791890651 is an equidigital number, since it uses as much as digits as its factorization.

10791890651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469212660.

The product of its (nonzero) digits is 136080, while the sum is 47.

The spelling of 10791890651 in words is "ten billion, seven hundred ninety-one million, eight hundred ninety thousand, six hundred fifty-one".