8513013629 has 2 divisors, whose sum is σ = 8513013630. Its totient is φ = 8513013628.

The previous prime is 8513013589. The next prime is 8513013643. The reversal of 8513013629 is 9263103158.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8420815225 + 92198404 = 91765^2 + 9602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8513013629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8513013592 and 8513013601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8513013029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4256506814 + 4256506815.

It is an arithmetic number, because the mean of its divisors is an integer number (4256506815).

Almost surely, 2^8513013629 is an apocalyptic number.

It is an amenable number.

8513013629 is a deficient number, since it is larger than the sum of its proper divisors (1).

8513013629 is an equidigital number, since it uses as much as digits as its factorization.

8513013629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 8513013629 is about 92265.9938926580. The cubic root of 8513013629 is about 2041.8685325374.

The spelling of 8513013629 in words is "eight billion, five hundred thirteen million, thirteen thousand, six hundred twenty-nine".