10045881009 has 16 divisors (see below), whose sum is σ = 15758245440. Its totient is φ = 6303297600.

The previous prime is 10045880993. The next prime is 10045881023. The reversal of 10045881009 is 90018854001.

It is not a de Polignac number, because 10045881009 - 2⁴ = 10045880993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10045881409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10942767 + ... + 10943684.

It is an arithmetic number, because the mean of its divisors is an integer number (984890340).

Almost surely, 2^10045881009 is an apocalyptic number.

It is an amenable number.

10045881009 is a deficient number, since it is larger than the sum of its proper divisors (5712364431).

10045881009 is a wasteful number, since it uses less digits than its factorization.

10045881009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21886477 (or 21886471 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The spelling of 10045881009 in words is "ten billion, forty-five million, eight hundred eighty-one thousand, nine".