10640646043 has 2 divisors, whose sum is σ = 10640646044. Its totient is φ = 10640646042.

The previous prime is 10640646011. The next prime is 10640646059. The reversal of 10640646043 is 34064604601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10640646043 - 2⁵ = 10640646011 is a prime.

It is a super-2 number, since 2×10640646043² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10640646943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5320323021 + 5320323022.

It is an arithmetic number, because the mean of its divisors is an integer number (5320323022).

Almost surely, 2^10640646043 is an apocalyptic number.

10640646043 is a deficient number, since it is larger than the sum of its proper divisors (1).

10640646043 is an equidigital number, since it uses as much as digits as its factorization.

10640646043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 10640646043 in words is "ten billion, six hundred forty million, six hundred forty-six thousand, forty-three".