1513322230657 has 2 divisors, whose sum is σ = 1513322230658. Its totient is φ = 1513322230656.

The previous prime is 1513322230591. The next prime is 1513322230729. The reversal of 1513322230657 is 7560322233151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1309996991601 + 203325239056 = 1144551^2 + 450916^2 .

It is an emirp because it is prime and its reverse (7560322233151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1513322230657 - 2³⁵ = 1478962492289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1513322230457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756661115328 + 756661115329.

It is an arithmetic number, because the mean of its divisors is an integer number (756661115329).

Almost surely, 2^{1513322230657} is an apocalyptic number.

It is an amenable number.

1513322230657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513322230657 is an equidigital number, since it uses as much as digits as its factorization.

1513322230657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 1513322230657 in words is "one trillion, five hundred thirteen billion, three hundred twenty-two million, two hundred thirty thousand, six hundred fifty-seven".