13030550605 has 4 divisors (see below), whose sum is σ = 15636660732. Its totient is φ = 10424440480.

The previous prime is 13030550597. The next prime is 13030550639. The reversal of 13030550605 is 50605503031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6824577321 + 6205973284 = 82611^2 + 78778^2 .

It is not a de Polignac number, because 13030550605 - 2³ = 13030550597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303055056 + ... + 1303055065.

It is an arithmetic number, because the mean of its divisors is an integer number (3909165183).

Almost surely, 2^13030550605 is an apocalyptic number.

It is an amenable number.

13030550605 is a deficient number, since it is larger than the sum of its proper divisors (2606110127).

13030550605 is an equidigital number, since it uses as much as digits as its factorization.

13030550605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606110126.

The product of its (nonzero) digits is 6750, while the sum is 28.

The spelling of 13030550605 in words is "thirteen billion, thirty million, five hundred fifty thousand, six hundred five".