1513322230729 has 2 divisors, whose sum is σ = 1513322230730. Its totient is φ = 1513322230728.

The previous prime is 1513322230657. The next prime is 1513322230769. The reversal of 1513322230729 is 9270322233151.

It is an a-pointer prime, because the next prime (1513322230769) can be obtained adding 1513322230729 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1101481735225 + 411840495504 = 1049515^2 + 641748^2 .

It is a cyclic number.

It is not a de Polignac number, because 1513322230729 - 2³⁷ = 1375883277257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1513322230691 and 1513322230700.

It is not a weakly prime, because it can be changed into another prime (1513322230769) 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, 756661115364 + 756661115365.

It is an arithmetic number, because the mean of its divisors is an integer number (756661115365).

Almost surely, 2^{1513322230729} is an apocalyptic number.

It is an amenable number.

1513322230729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513322230729 is an equidigital number, since it uses as much as digits as its factorization.

1513322230729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 1513322230729 in words is "one trillion, five hundred thirteen billion, three hundred twenty-two million, two hundred thirty thousand, seven hundred twenty-nine".