9181920100003 has 32 divisors (see below), whose sum is σ = 11151488004480. Its totient is φ = 7405836871680.

The previous prime is 9181920099967. The next prime is 9181920100099. The reversal of 9181920100003 is 3000010291819.

It is not a de Polignac number, because 9181920100003 - 2³⁷ = 9044481146531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9181920130003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201542875 + ... + 201588427.

It is an arithmetic number, because the mean of its divisors is an integer number (348484000140).

Almost surely, 2^{9181920100003} is an apocalyptic number.

9181920100003 is a deficient number, since it is larger than the sum of its proper divisors (1969567904477).

9181920100003 is an equidigital number, since it uses as much as digits as its factorization.

9181920100003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51472 (or 51438 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 9181920100003 in words is "nine trillion, one hundred eighty-one billion, nine hundred twenty million, one hundred thousand, three".