72293211489 has 4 divisors (see below), whose sum is σ = 96390948656. Its totient is φ = 48195474324.

The previous prime is 72293211457. The next prime is 72293211493. The reversal of 72293211489 is 98411239227.

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 not a de Polignac number, because 72293211489 - 2⁵ = 72293211457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72293211439) 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, 12048868579 + ... + 12048868584.

It is an arithmetic number, because the mean of its divisors is an integer number (24097737164).

Almost surely, 2^72293211489 is an apocalyptic number.

It is an amenable number.

72293211489 is a deficient number, since it is larger than the sum of its proper divisors (24097737167).

72293211489 is a wasteful number, since it uses less digits than its factorization.

72293211489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24097737166.

The product of its digits is 435456, while the sum is 48.

The spelling of 72293211489 in words is "seventy-two billion, two hundred ninety-three million, two hundred eleven thousand, four hundred eighty-nine".