73813105844827 has 4 divisors (see below), whose sum is σ = 73818084149656. Its totient is φ = 73808127540000.

The previous prime is 73813105844729. The next prime is 73813105844861. The reversal of 73813105844827 is 72844850131837.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73813105844827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73813105844227) 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, 2489130174 + ... + 2489159827.

It is an arithmetic number, because the mean of its divisors is an integer number (18454521037414).

Almost surely, 2^{73813105844827} is an apocalyptic number.

73813105844827 is a deficient number, since it is larger than the sum of its proper divisors (4978304829).

73813105844827 is a wasteful number, since it uses less digits than its factorization.

73813105844827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978304828.

The product of its (nonzero) digits is 36126720, while the sum is 61.

The spelling of 73813105844827 in words is "seventy-three trillion, eight hundred thirteen billion, one hundred five million, eight hundred forty-four thousand, eight hundred twenty-seven".