10420543906 has 8 divisors (see below), whose sum is σ = 15640694784. Its totient is φ = 5206978980.

The previous prime is 10420543897. The next prime is 10420543937. The reversal of 10420543906 is 60934502401.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642530 + ... + 1648861.

It is an arithmetic number, because the mean of its divisors is an integer number (1955086848).

Almost surely, 2^10420543906 is an apocalyptic number.

10420543906 is a deficient number, since it is larger than the sum of its proper divisors (5220150878).

10420543906 is a wasteful number, since it uses less digits than its factorization.

10420543906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292976.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 10420543906 in words is "ten billion, four hundred twenty million, five hundred forty-three thousand, nine hundred six".