10478630621 has 8 divisors (see below), whose sum is σ = 10763950680. Its totient is φ = 10193421888.

The previous prime is 10478630611. The next prime is 10478630641. The reversal of 10478630621 is 12603687401.

It can be written as a sum of positive squares in 4 ways, for example, as 1279135225 + 9199495396 = 35765^2 + 95914^2 .

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-10478630621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10478630611) 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, 184775 + ... + 234731.

It is an arithmetic number, because the mean of its divisors is an integer number (1345493835).

Almost surely, 2^10478630621 is an apocalyptic number.

It is an amenable number.

10478630621 is a deficient number, since it is larger than the sum of its proper divisors (285320059).

10478630621 is an equidigital number, since it uses as much as digits as its factorization.

10478630621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55663.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 10478630621 in words is "ten billion, four hundred seventy-eight million, six hundred thirty thousand, six hundred twenty-one".