10321643651 has 8 divisors (see below), whose sum is σ = 11272824624. Its totient is φ = 9372604320.

The previous prime is 10321643639. The next prime is 10321643669. The reversal of 10321643651 is 15634612301.

10321643651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10321643651 - 2³⁰ = 9247901827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10321643951) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 525320 + ... + 544613.

It is an arithmetic number, because the mean of its divisors is an integer number (1409103078).

Almost surely, 2^10321643651 is an apocalyptic number.

10321643651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10321643651 is a deficient number, since it is larger than the sum of its proper divisors (951180973).

10321643651 is a wasteful number, since it uses less digits than its factorization.

10321643651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070821.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 10321643651 in words is "ten billion, three hundred twenty-one million, six hundred forty-three thousand, six hundred fifty-one".