10690639823 has 2 divisors, whose sum is σ = 10690639824. Its totient is φ = 10690639822.

The previous prime is 10690639811. The next prime is 10690639829. The reversal of 10690639823 is 32893609601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10690639823 - 2⁶ = 10690639759 is a prime.

It is a super-2 number, since 2×10690639823² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10690639829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5345319911 + 5345319912.

It is an arithmetic number, because the mean of its divisors is an integer number (5345319912).

Almost surely, 2^10690639823 is an apocalyptic number.

10690639823 is a deficient number, since it is larger than the sum of its proper divisors (1).

10690639823 is an equidigital number, since it uses as much as digits as its factorization.

10690639823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 10690639823 in words is "ten billion, six hundred ninety million, six hundred thirty-nine thousand, eight hundred twenty-three".