13180501989 has 24 divisors (see below), whose sum is σ = 20193544800. Its totient is φ = 8260967520.

The previous prime is 13180501987. The next prime is 13180502021. The reversal of 13180501989 is 98910508131.

13180501989 is a `hidden beast` number, since 131 + 8 + 0 + 501 + 9 + 8 + 9 = 666.

It is not a de Polignac number, because 13180501989 - 2¹ = 13180501987 is a prime.

It is a super-2 number, since 2×13180501989² (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 (13180501987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271794 + ... + 316595.

It is an arithmetic number, because the mean of its divisors is an integer number (841397700).

Almost surely, 2^13180501989 is an apocalyptic number.

13180501989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13180501989 is a deficient number, since it is larger than the sum of its proper divisors (7013042811).

13180501989 is a wasteful number, since it uses less digits than its factorization.

13180501989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588545 (or 588542 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 45.

The spelling of 13180501989 in words is "thirteen billion, one hundred eighty million, five hundred one thousand, nine hundred eighty-nine".