72536965219 has 4 divisors (see below), whose sum is σ = 76803845544. Its totient is φ = 68270084896.

The previous prime is 72536965211. The next prime is 72536965273. The reversal of 72536965219 is 91256963527.

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 72536965219 - 2³ = 72536965211 is a prime.

It is a super-2 number, since 2×72536965219² (a number of 23 digits) contains 22 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 72536965219.

It is not an unprimeable number, because it can be changed into a prime (72536965211) 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, 2133440137 + ... + 2133440170.

It is an arithmetic number, because the mean of its divisors is an integer number (19200961386).

Almost surely, 2^72536965219 is an apocalyptic number.

72536965219 is a deficient number, since it is larger than the sum of its proper divisors (4266880325).

72536965219 is a wasteful number, since it uses less digits than its factorization.

72536965219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266880324.

The product of its digits is 6123600, while the sum is 55.

The spelling of 72536965219 in words is "seventy-two billion, five hundred thirty-six million, nine hundred sixty-five thousand, two hundred nineteen".