10640946403 has 8 divisors (see below), whose sum is σ = 10659817728. Its totient is φ = 10622091144.

The previous prime is 10640946373. The next prime is 10640946451. The reversal of 10640946403 is 30464904601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10640946403 is a prime.

It is a super-2 number, since 2×10640946403² (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 (10640946103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2752650 + ... + 2756512.

It is an arithmetic number, because the mean of its divisors is an integer number (1332477216).

Almost surely, 2^10640946403 is an apocalyptic number.

10640946403 is a deficient number, since it is larger than the sum of its proper divisors (18871325).

10640946403 is an equidigital number, since it uses as much as digits as its factorization.

10640946403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 10640946403 in words is "ten billion, six hundred forty million, nine hundred forty-six thousand, four hundred three".