605308113889 has 4 divisors (see below), whose sum is σ = 605345263380. Its totient is φ = 605270964400.

The previous prime is 605308113857. The next prime is 605308113919. The reversal of 605308113889 is 988311803506.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 988311803506 = 2 ⋅494155901753.

It can be written as a sum of positive squares in 2 ways, for example, as 189551390625 + 415756723264 = 435375^2 + 644792^2 .

It is a cyclic number.

It is not a de Polignac number, because 605308113889 - 2⁵ = 605308113857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605308183889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18550294 + ... + 18582895.

It is an arithmetic number, because the mean of its divisors is an integer number (151336315845).

Almost surely, 2^605308113889 is an apocalyptic number.

It is an amenable number.

605308113889 is a deficient number, since it is larger than the sum of its proper divisors (37149491).

605308113889 is a wasteful number, since it uses less digits than its factorization.

605308113889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37149490.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 605308113889 in words is "six hundred five billion, three hundred eight million, one hundred thirteen thousand, eight hundred eighty-nine".