6135555313 has 2 divisors, whose sum is σ = 6135555314. Its totient is φ = 6135555312.

The previous prime is 6135555311. The next prime is 6135555337. The reversal of 6135555313 is 3135555316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5314847409 + 820707904 = 72903^2 + 28648^2 .

It is a cyclic number.

It is not a de Polignac number, because 6135555313 - 2¹ = 6135555311 is a prime.

Together with 6135555311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6135555311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3067777656 + 3067777657.

It is an arithmetic number, because the mean of its divisors is an integer number (3067777657).

Almost surely, 2^6135555313 is an apocalyptic number.

It is an amenable number.

6135555313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6135555313 is an equidigital number, since it uses as much as digits as its factorization.

6135555313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 101250, while the sum is 37.

The square root of 6135555313 is about 78329.7856054771. The cubic root of 6135555313 is about 1830.7032754355.

The spelling of 6135555313 in words is "six billion, one hundred thirty-five million, five hundred fifty-five thousand, three hundred thirteen".