13355667890 has 8 divisors (see below), whose sum is σ = 24040202220. Its totient is φ = 5342267152.

The previous prime is 13355667883. The next prime is 13355667893. The reversal of 13355667890 is 9876655331.

It can be written as a sum of positive squares in 2 ways, for example, as 10691353201 + 2664314689 = 103399^2 + 51617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13355667893) 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, 667783385 + ... + 667783404.

Almost surely, 2^13355667890 is an apocalyptic number.

13355667890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13355667890 is a deficient number, since it is larger than the sum of its proper divisors (10684534330).

13355667890 is a wasteful number, since it uses less digits than its factorization.

13355667890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335566796.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 13355667890 in words is "thirteen billion, three hundred fifty-five million, six hundred sixty-seven thousand, eight hundred ninety".