8190037922009 has 4 divisors (see below), whose sum is σ = 8242203768804. Its totient is φ = 8137872075216.

The previous prime is 8190037921999. The next prime is 8190037922029. The reversal of 8190037922009 is 9002297300918.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1926891015625 + 6263146906384 = 1388125^2 + 2502628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8190037922009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8190037922029) 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, 26082923162 + ... + 26082923475.

It is an arithmetic number, because the mean of its divisors is an integer number (2060550942201).

Almost surely, 2^{8190037922009} is an apocalyptic number.

It is an amenable number.

8190037922009 is a deficient number, since it is larger than the sum of its proper divisors (52165846795).

8190037922009 is a wasteful number, since it uses less digits than its factorization.

8190037922009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52165846794.

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 8190037922009 in words is "eight trillion, one hundred ninety billion, thirty-seven million, nine hundred twenty-two thousand, nine".