13308498261 has 16 divisors (see below), whose sum is σ = 19919558400. Its totient is φ = 8780863104.

The previous prime is 13308498221. The next prime is 13308498337. The reversal of 13308498261 is 16289480331.

13308498261 is a `hidden beast` number, since 133 + 0 + 8 + 498 + 26 + 1 = 666.

It is not a de Polignac number, because 13308498261 - 2²⁷ = 13174280533 is a prime.

It is a super-3 number, since 3×13308498261³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13308498221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2538141 + ... + 2543378.

It is an arithmetic number, because the mean of its divisors is an integer number (1244972400).

Almost surely, 2^13308498261 is an apocalyptic number.

It is an amenable number.

13308498261 is a deficient number, since it is larger than the sum of its proper divisors (6611060139).

13308498261 is an equidigital number, since it uses as much as digits as its factorization.

13308498261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081625 (or 5081619 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 13308498261 in words is "thirteen billion, three hundred eight million, four hundred ninety-eight thousand, two hundred sixty-one".