10645434004 has 24 divisors (see below), whose sum is σ = 18708255720. Its totient is φ = 5300265984.

The previous prime is 10645434001. The next prime is 10645434031. The reversal of 10645434004 is 40043454601.

It can be written as a sum of positive squares in 4 ways, for example, as 4693620100 + 5951813904 = 68510^2 + 77148^2 .

It is a super-2 number, since 2×10645434004² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10645434001) 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, 964662 + ... + 975634.

It is an arithmetic number, because the mean of its divisors is an integer number (779510655).

Almost surely, 2^10645434004 is an apocalyptic number.

It is an amenable number.

10645434004 is a deficient number, since it is larger than the sum of its proper divisors (8062821716).

10645434004 is a wasteful number, since it uses less digits than its factorization.

10645434004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11979 (or 11977 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 10645434004 its reverse (40043454601), we get a palindrome (50688888605).

The spelling of 10645434004 in words is "ten billion, six hundred forty-five million, four hundred thirty-four thousand, four".