73623155225819 has 4 divisors (see below), whose sum is σ = 74034457769160. Its totient is φ = 73211852682480.

The previous prime is 73623155225813. The next prime is 73623155225869. The reversal of 73623155225819 is 91852255132637.

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 73623155225819 - 2¹⁶ = 73623155160283 is a prime.

It is a super-2 number, since 2×73623155225819² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73623155225813) 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, 205651271402 + ... + 205651271759.

It is an arithmetic number, because the mean of its divisors is an integer number (18508614442290).

Almost surely, 2^{73623155225819} is an apocalyptic number.

73623155225819 is a deficient number, since it is larger than the sum of its proper divisors (411302543341).

73623155225819 is a wasteful number, since it uses less digits than its factorization.

73623155225819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411302543340.

The product of its digits is 27216000, while the sum is 59.

The spelling of 73623155225819 in words is "seventy-three trillion, six hundred twenty-three billion, one hundred fifty-five million, two hundred twenty-five thousand, eight hundred nineteen".