73686051406641 has 4 divisors (see below), whose sum is σ = 98248068542192. Its totient is φ = 49124034271092.

The previous prime is 73686051406577. The next prime is 73686051406679. The reversal of 73686051406641 is 14660415068637.

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 not a de Polignac number, because 73686051406641 - 2⁶ = 73686051406577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73686051426641) 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, 12281008567771 + ... + 12281008567776.

It is an arithmetic number, because the mean of its divisors is an integer number (24562017135548).

Almost surely, 2^{73686051406641} is an apocalyptic number.

It is an amenable number.

73686051406641 is a deficient number, since it is larger than the sum of its proper divisors (24562017135551).

73686051406641 is a wasteful number, since it uses less digits than its factorization.

73686051406641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24562017135550.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 73686051406641 in words is "seventy-three trillion, six hundred eighty-six billion, fifty-one million, four hundred six thousand, six hundred forty-one".