72852465593 has 2 divisors, whose sum is σ = 72852465594. Its totient is φ = 72852465592.

The previous prime is 72852465589. The next prime is 72852465649. The reversal of 72852465593 is 39556425827.

It is a happy number.

It is an a-pointer prime, because the next prime (72852465649) can be obtained adding 72852465593 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69588857209 + 3263608384 = 263797^2 + 57128^2 .

It is a cyclic number.

It is not a de Polignac number, because 72852465593 - 2² = 72852465589 is a prime.

It is not a weakly prime, because it can be changed into another prime (72852465503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36426232796 + 36426232797.

It is an arithmetic number, because the mean of its divisors is an integer number (36426232797).

Almost surely, 2^72852465593 is an apocalyptic number.

It is an amenable number.

72852465593 is a deficient number, since it is larger than the sum of its proper divisors (1).

72852465593 is an equidigital number, since it uses as much as digits as its factorization.

72852465593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144000, while the sum is 56.

The spelling of 72852465593 in words is "seventy-two billion, eight hundred fifty-two million, four hundred sixty-five thousand, five hundred ninety-three".