13333801965 has 32 divisors (see below), whose sum is σ = 23281385472. Its totient is φ = 6462696000.

The previous prime is 13333801963. The next prime is 13333801979. The reversal of 13333801965 is 56910833331.

It is not a de Polignac number, because 13333801965 - 2¹ = 13333801963 is a prime.

It is a super-2 number, since 2×13333801965² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333801961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 547600 + ... + 571430.

It is an arithmetic number, because the mean of its divisors is an integer number (727543296).

Almost surely, 2^13333801965 is an apocalyptic number.

13333801965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13333801965 is a deficient number, since it is larger than the sum of its proper divisors (9947583507).

13333801965 is a wasteful number, since it uses less digits than its factorization.

13333801965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27241.

The product of its (nonzero) digits is 174960, while the sum is 42.

The spelling of 13333801965 in words is "thirteen billion, three hundred thirty-three million, eight hundred one thousand, nine hundred sixty-five".