73923364261 has 4 divisors (see below), whose sum is σ = 74254859392. Its totient is φ = 73591869132.

The previous prime is 73923364253. The next prime is 73923364267. The reversal of 73923364261 is 16246332937.

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 73923364261 - 2³ = 73923364253 is a prime.

It is a super-2 number, since 2×73923364261² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73923364267) 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, 165747231 + ... + 165747676.

It is an arithmetic number, because the mean of its divisors is an integer number (18563714848).

Almost surely, 2^73923364261 is an apocalyptic number.

It is an amenable number.

73923364261 is a deficient number, since it is larger than the sum of its proper divisors (331495131).

73923364261 is a wasteful number, since it uses less digits than its factorization.

73923364261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331495130.

The product of its digits is 979776, while the sum is 46.

The spelling of 73923364261 in words is "seventy-three billion, nine hundred twenty-three million, three hundred sixty-four thousand, two hundred sixty-one".