727425515491 has 2 divisors, whose sum is σ = 727425515492. Its totient is φ = 727425515490.

The previous prime is 727425515489. The next prime is 727425515533. The reversal of 727425515491 is 194515524727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 727425515491 - 2¹ = 727425515489 is a prime.

Together with 727425515489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (727425515431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363712757745 + 363712757746.

It is an arithmetic number, because the mean of its divisors is an integer number (363712757746).

Almost surely, 2^727425515491 is an apocalyptic number.

727425515491 is a deficient number, since it is larger than the sum of its proper divisors (1).

727425515491 is an equidigital number, since it uses as much as digits as its factorization.

727425515491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528000, while the sum is 52.

The spelling of 727425515491 in words is "seven hundred twenty-seven billion, four hundred twenty-five million, five hundred fifteen thousand, four hundred ninety-one".