72348433853 has 2 divisors, whose sum is σ = 72348433854. Its totient is φ = 72348433852.

The previous prime is 72348433847. The next prime is 72348433867. The reversal of 72348433853 is 35833484327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65473039129 + 6875394724 = 255877^2 + 82918^2 .

It is an emirp because it is prime and its reverse (35833484327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72348433853 - 2¹⁴ = 72348417469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72348433823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36174216926 + 36174216927.

It is an arithmetic number, because the mean of its divisors is an integer number (36174216927).

Almost surely, 2^72348433853 is an apocalyptic number.

It is an amenable number.

72348433853 is a deficient number, since it is larger than the sum of its proper divisors (1).

72348433853 is an equidigital number, since it uses as much as digits as its factorization.

72348433853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 50.

The spelling of 72348433853 in words is "seventy-two billion, three hundred forty-eight million, four hundred thirty-three thousand, eight hundred fifty-three".