73504859653 has 2 divisors, whose sum is σ = 73504859654. Its totient is φ = 73504859652.

The previous prime is 73504859633. The next prime is 73504859683. The reversal of 73504859653 is 35695840537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70427605924 + 3077253729 = 265382^2 + 55473^2 .

It is a cyclic number.

It is not a de Polignac number, because 73504859653 - 2⁵ = 73504859621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73504859594 and 73504859603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73504859633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36752429826 + 36752429827.

It is an arithmetic number, because the mean of its divisors is an integer number (36752429827).

Almost surely, 2^73504859653 is an apocalyptic number.

It is an amenable number.

73504859653 is a deficient number, since it is larger than the sum of its proper divisors (1).

73504859653 is an equidigital number, since it uses as much as digits as its factorization.

73504859653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 73504859653 in words is "seventy-three billion, five hundred four million, eight hundred fifty-nine thousand, six hundred fifty-three".