80650200810691 has 4 divisors (see below), whose sum is σ = 84894948221800. Its totient is φ = 76405453399584.

The previous prime is 80650200810629. The next prime is 80650200810727. The reversal of 80650200810691 is 19601800205608.

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

It is a cyclic number.

It is not a de Polignac number, because 80650200810691 - 2³¹ = 80648053327043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80650230810691) 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, 2122373705526 + ... + 2122373705563.

It is an arithmetic number, because the mean of its divisors is an integer number (21223737055450).

Almost surely, 2^{80650200810691} is an apocalyptic number.

80650200810691 is a deficient number, since it is larger than the sum of its proper divisors (4244747411109).

80650200810691 is a wasteful number, since it uses less digits than its factorization.

80650200810691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244747411108.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 80650200810691 in words is "eighty trillion, six hundred fifty billion, two hundred million, eight hundred ten thousand, six hundred ninety-one".