10500640417 has 4 divisors (see below), whose sum is σ = 10500926656. Its totient is φ = 10500354180.

The previous prime is 10500640379. The next prime is 10500640433. The reversal of 10500640417 is 71404600501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10500640417 is a prime.

It is a super-2 number, since 2×10500640417² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10500640477) 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, 78309 + ... + 164722.

It is an arithmetic number, because the mean of its divisors is an integer number (2625231664).

Almost surely, 2^10500640417 is an apocalyptic number.

It is an amenable number.

10500640417 is a deficient number, since it is larger than the sum of its proper divisors (286239).

10500640417 is an equidigital number, since it uses as much as digits as its factorization.

10500640417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286238.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 10500640417 in words is "ten billion, five hundred million, six hundred forty thousand, four hundred seventeen".