10040603891 has 4 divisors (see below), whose sum is σ = 10047384984. Its totient is φ = 10033822800.

The previous prime is 10040603849. The next prime is 10040603897. The reversal of 10040603891 is 19830604001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19830604001 = 13 ⋅1525431077.

It is a cyclic number.

It is not a de Polignac number, because 10040603891 - 2¹⁸ = 10040341747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10040603897) 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, 3388325 + ... + 3391286.

It is an arithmetic number, because the mean of its divisors is an integer number (2511846246).

Almost surely, 2^10040603891 is an apocalyptic number.

10040603891 is a deficient number, since it is larger than the sum of its proper divisors (6781093).

10040603891 is an equidigital number, since it uses as much as digits as its factorization.

10040603891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6781092.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 10040603891 in words is "ten billion, forty million, six hundred three thousand, eight hundred ninety-one".