613224263149 has 2 divisors, whose sum is σ = 613224263150. Its totient is φ = 613224263148.

The previous prime is 613224263147. The next prime is 613224263189. The reversal of 613224263149 is 941362422316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402662586249 + 210561676900 = 634557^2 + 458870^2 .

It is a cyclic number.

It is not a de Polignac number, because 613224263149 - 2¹ = 613224263147 is a prime.

Together with 613224263147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613224263147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306612131574 + 306612131575.

It is an arithmetic number, because the mean of its divisors is an integer number (306612131575).

Almost surely, 2^613224263149 is an apocalyptic number.

It is an amenable number.

613224263149 is a deficient number, since it is larger than the sum of its proper divisors (1).

613224263149 is an equidigital number, since it uses as much as digits as its factorization.

613224263149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 43.

The spelling of 613224263149 in words is "six hundred thirteen billion, two hundred twenty-four million, two hundred sixty-three thousand, one hundred forty-nine".