1009863454506 has 32 divisors (see below), whose sum is σ = 2142279741888. Its totient is φ = 316265038080.

The previous prime is 1009863454463. The next prime is 1009863454511. The reversal of 1009863454506 is 6054543689001.

1009863454506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8611305 + ... + 8727788.

It is an arithmetic number, because the mean of its divisors is an integer number (66946241934).

Almost surely, 2^{1009863454506} is an apocalyptic number.

1009863454506 is an abundant number, since it is smaller than the sum of its proper divisors (1132416287382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1009863454506 is a wasteful number, since it uses less digits than its factorization.

1009863454506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17339686.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 1009863454506 in words is "one trillion, nine billion, eight hundred sixty-three million, four hundred fifty-four thousand, five hundred six".