72603839353 has 2 divisors, whose sum is σ = 72603839354. Its totient is φ = 72603839352.

The previous prime is 72603839317. The next prime is 72603839369. The reversal of 72603839353 is 35393830627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69504467769 + 3099371584 = 263637^2 + 55672^2 .

It is a cyclic number.

It is not a de Polignac number, because 72603839353 - 2⁹ = 72603838841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72603839297 and 72603839306.

It is not a weakly prime, because it can be changed into another prime (72603839303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36301919676 + 36301919677.

It is an arithmetic number, because the mean of its divisors is an integer number (36301919677).

Almost surely, 2^72603839353 is an apocalyptic number.

It is an amenable number.

72603839353 is a deficient number, since it is larger than the sum of its proper divisors (1).

72603839353 is an equidigital number, since it uses as much as digits as its factorization.

72603839353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 49.

The spelling of 72603839353 in words is "seventy-two billion, six hundred three million, eight hundred thirty-nine thousand, three hundred fifty-three".