727425515533 has 2 divisors, whose sum is σ = 727425515534. Its totient is φ = 727425515532.

The previous prime is 727425515491. The next prime is 727425515581. The reversal of 727425515533 is 335515524727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486308180164 + 241117335369 = 697358^2 + 491037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-727425515533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (727425515933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363712757766 + 363712757767.

It is an arithmetic number, because the mean of its divisors is an integer number (363712757767).

Almost surely, 2^727425515533 is an apocalyptic number.

It is an amenable number.

727425515533 is a deficient number, since it is larger than the sum of its proper divisors (1).

727425515533 is an equidigital number, since it uses as much as digits as its factorization.

727425515533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410000, while the sum is 49.

The spelling of 727425515533 in words is "seven hundred twenty-seven billion, four hundred twenty-five million, five hundred fifteen thousand, five hundred thirty-three".