10478909643 has 4 divisors (see below), whose sum is σ = 13971879528. Its totient is φ = 6985939760.

The previous prime is 10478909629. The next prime is 10478909653. The reversal of 10478909643 is 34690987401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10478909643 - 2²⁴ = 10462132427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10478909603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746484938 + ... + 1746484943.

It is an arithmetic number, because the mean of its divisors is an integer number (3492969882).

Almost surely, 2^10478909643 is an apocalyptic number.

10478909643 is a deficient number, since it is larger than the sum of its proper divisors (3492969885).

10478909643 is an equidigital number, since it uses as much as digits as its factorization.

10478909643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492969884.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 10478909643 in words is "ten billion, four hundred seventy-eight million, nine hundred nine thousand, six hundred forty-three".