10089204209781 has 4 divisors (see below), whose sum is σ = 13452272279712. Its totient is φ = 6726136139852.

The previous prime is 10089204209771. The next prime is 10089204209801. The reversal of 10089204209781 is 18790240298001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10089204209781 - 2⁷ = 10089204209653 is a prime.

It is a super-2 number, since 2×10089204209781² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10089204209771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1681534034961 + ... + 1681534034966.

It is an arithmetic number, because the mean of its divisors is an integer number (3363068069928).

Almost surely, 2^{10089204209781} is an apocalyptic number.

It is an amenable number.

10089204209781 is a deficient number, since it is larger than the sum of its proper divisors (3363068069931).

10089204209781 is an equidigital number, since it uses as much as digits as its factorization.

10089204209781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363068069930.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 10089204209781 in words is "ten trillion, eighty-nine billion, two hundred four million, two hundred nine thousand, seven hundred eighty-one".