72431689483 has 2 divisors, whose sum is σ = 72431689484. Its totient is φ = 72431689482.

The previous prime is 72431689433. The next prime is 72431689487. The reversal of 72431689483 is 38498613427.

It is a strong prime.

It is an emirp because it is prime and its reverse (38498613427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72431689483 - 2¹⁷ = 72431558411 is a prime.

It is not a weakly prime, because it can be changed into another prime (72431689487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36215844741 + 36215844742.

It is an arithmetic number, because the mean of its divisors is an integer number (36215844742).

Almost surely, 2^72431689483 is an apocalyptic number.

72431689483 is a deficient number, since it is larger than the sum of its proper divisors (1).

72431689483 is an equidigital number, since it uses as much as digits as its factorization.

72431689483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 55.

The spelling of 72431689483 in words is "seventy-two billion, four hundred thirty-one million, six hundred eighty-nine thousand, four hundred eighty-three".