613895883149 has 2 divisors, whose sum is σ = 613895883150. Its totient is φ = 613895883148.

The previous prime is 613895883143. The next prime is 613895883233. The reversal of 613895883149 is 941388598316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 592311865924 + 21584017225 = 769618^2 + 146915^2 .

It is a cyclic number.

It is not a de Polignac number, because 613895883149 - 2¹² = 613895879053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613895883143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306947941574 + 306947941575.

It is an arithmetic number, because the mean of its divisors is an integer number (306947941575).

Almost surely, 2^613895883149 is an apocalyptic number.

It is an amenable number.

613895883149 is a deficient number, since it is larger than the sum of its proper divisors (1).

613895883149 is an equidigital number, since it uses as much as digits as its factorization.

613895883149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44789760, while the sum is 65.

The spelling of 613895883149 in words is "six hundred thirteen billion, eight hundred ninety-five million, eight hundred eighty-three thousand, one hundred forty-nine".