613225535362169 has 2 divisors, whose sum is σ = 613225535362170. Its totient is φ = 613225535362168.

The previous prime is 613225535362127. The next prime is 613225535362241. The reversal of 613225535362169 is 961263535522316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 585378669160000 + 27846866202169 = 24194600^2 + 5277013^2 .

It is a cyclic number.

It is not a de Polignac number, because 613225535362169 - 2³⁶ = 613156815885433 is a prime.

It is a super-2 number, since 2×613225535362169² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (613225535362369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306612767681084 + 306612767681085.

It is an arithmetic number, because the mean of its divisors is an integer number (306612767681085).

Almost surely, 2^{613225535362169} is an apocalyptic number.

It is an amenable number.

613225535362169 is a deficient number, since it is larger than the sum of its proper divisors (1).

613225535362169 is an equidigital number, since it uses as much as digits as its factorization.

613225535362169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488000, while the sum is 59.

The spelling of 613225535362169 in words is "six hundred thirteen trillion, two hundred twenty-five billion, five hundred thirty-five million, three hundred sixty-two thousand, one hundred sixty-nine".