72291139199 has 4 divisors (see below), whose sum is σ = 73103399280. Its totient is φ = 71478879120.

The previous prime is 72291139183. The next prime is 72291139229. The reversal of 72291139199 is 99193119227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99193119227 = 1153 ⋅86030459.

It is a cyclic number.

It is not a de Polignac number, because 72291139199 - 2⁴ = 72291139183 is a prime.

It is a super-3 number, since 3×72291139199³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72291139199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72291139159) 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, 406129907 + ... + 406130084.

It is an arithmetic number, because the mean of its divisors is an integer number (18275849820).

Almost surely, 2^72291139199 is an apocalyptic number.

72291139199 is a deficient number, since it is larger than the sum of its proper divisors (812260081).

72291139199 is an equidigital number, since it uses as much as digits as its factorization.

72291139199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812260080.

The product of its digits is 551124, while the sum is 53.

The spelling of 72291139199 in words is "seventy-two billion, two hundred ninety-one million, one hundred thirty-nine thousand, one hundred ninety-nine".