10433640825 has 18 divisors (see below), whose sum is σ = 18687810414. Its totient is φ = 5564608320.

The previous prime is 10433640823. The next prime is 10433640859. The reversal of 10433640825 is 52804633401.

10433640825 is a `hidden beast` number, since 1 + 0 + 4 + 3 + 3 + 640 + 8 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1560566016 + 8873074809 = 39504^2 + 94197^2 .

It is not a de Polignac number, because 10433640825 - 2¹ = 10433640823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10433640825.

It is not an unprimeable number, because it can be changed into a prime (10433640823) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23185644 + ... + 23186093.

Almost surely, 2^10433640825 is an apocalyptic number.

10433640825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10433640825 is a deficient number, since it is larger than the sum of its proper divisors (8254169589).

10433640825 is a wasteful number, since it uses less digits than its factorization.

10433640825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46371753 (or 46371745 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

It can be divided in two parts, 104336 and 40825, that added together give a square (145161 = 381²).

The spelling of 10433640825 in words is "ten billion, four hundred thirty-three million, six hundred forty thousand, eight hundred twenty-five".