73816813414501 has 4 divisors (see below), whose sum is σ = 75533483493952. Its totient is φ = 72100143335052.

The previous prime is 73816813414499. The next prime is 73816813414559. The reversal of 73816813414501 is 10541431861837.

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 73816813414501 - 2¹ = 73816813414499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73816813414901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858335039661 + ... + 858335039746.

It is an arithmetic number, because the mean of its divisors is an integer number (18883370873488).

Almost surely, 2^{73816813414501} is an apocalyptic number.

It is an amenable number.

73816813414501 is a deficient number, since it is larger than the sum of its proper divisors (1716670079451).

73816813414501 is a wasteful number, since it uses less digits than its factorization.

73816813414501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716670079450.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 73816813414501 in words is "seventy-three trillion, eight hundred sixteen billion, eight hundred thirteen million, four hundred fourteen thousand, five hundred one".