73411291138 has 8 divisors (see below), whose sum is σ = 110118867660. Its totient is φ = 36705001920.

The previous prime is 73411291133. The next prime is 73411291159. The reversal of 73411291138 is 83119211437.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69967127169 + 3444163969 = 264513^2 + 58687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 73411291138.

It is not an unprimeable number, because it can be changed into a prime (73411291133) 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, 163723 + ... + 416686.

Almost surely, 2^73411291138 is an apocalyptic number.

73411291138 is a deficient number, since it is larger than the sum of its proper divisors (36707576522).

73411291138 is a wasteful number, since it uses less digits than its factorization.

73411291138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643652.

The product of its digits is 36288, while the sum is 40.

The spelling of 73411291138 in words is "seventy-three billion, four hundred eleven million, two hundred ninety-one thousand, one hundred thirty-eight".