10172430865 has 4 divisors (see below), whose sum is σ = 12206917044. Its totient is φ = 8137944688.

The previous prime is 10172430847. The next prime is 10172430883. The reversal of 10172430865 is 56803427101.

10172430865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56803427101 = 6653 ⋅8538017.

It is an interprime number because it is at equal distance from previous prime (10172430847) and next prime (10172430883).

It can be written as a sum of positive squares in 2 ways, for example, as 6222685456 + 3949745409 = 78884^2 + 62847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10172430865 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017243082 + ... + 1017243091.

It is an arithmetic number, because the mean of its divisors is an integer number (3051729261).

Almost surely, 2^10172430865 is an apocalyptic number.

It is an amenable number.

10172430865 is a deficient number, since it is larger than the sum of its proper divisors (2034486179).

10172430865 is an equidigital number, since it uses as much as digits as its factorization.

10172430865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034486178.

The product of its (nonzero) digits is 40320, while the sum is 37.

Adding to 10172430865 its reverse (56803427101), we get a palindrome (66975857966).

The spelling of 10172430865 in words is "ten billion, one hundred seventy-two million, four hundred thirty thousand, eight hundred sixty-five".