72434853229 has 2 divisors, whose sum is σ = 72434853230. Its totient is φ = 72434853228.

The previous prime is 72434853191. The next prime is 72434853311. The reversal of 72434853229 is 92235843427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36338653129 + 36096200100 = 190627^2 + 189990^2 .

It is a cyclic number.

It is not a de Polignac number, because 72434853229 - 2²⁷ = 72300635501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72434853629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36217426614 + 36217426615.

It is an arithmetic number, because the mean of its divisors is an integer number (36217426615).

Almost surely, 2^72434853229 is an apocalyptic number.

It is an amenable number.

72434853229 is a deficient number, since it is larger than the sum of its proper divisors (1).

72434853229 is an equidigital number, since it uses as much as digits as its factorization.

72434853229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 49.

The spelling of 72434853229 in words is "seventy-two billion, four hundred thirty-four million, eight hundred fifty-three thousand, two hundred twenty-nine".