182721606013 has 2 divisors, whose sum is σ = 182721606014. Its totient is φ = 182721606012.

The previous prime is 182721605923. The next prime is 182721606031. The reversal of 182721606013 is 310606127281.

Together with next prime (182721606031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173390625604 + 9330980409 = 416402^2 + 96597^2 .

It is a cyclic number.

It is not a de Polignac number, because 182721606013 - 2⁹ = 182721605501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (182721606913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91360803006 + 91360803007.

It is an arithmetic number, because the mean of its divisors is an integer number (91360803007).

Almost surely, 2^182721606013 is an apocalyptic number.

It is an amenable number.

182721606013 is a deficient number, since it is larger than the sum of its proper divisors (1).

182721606013 is an equidigital number, since it uses as much as digits as its factorization.

182721606013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 182721606013 in words is "one hundred eighty-two billion, seven hundred twenty-one million, six hundred six thousand, thirteen".