32117021819 has 16 divisors (see below), whose sum is σ = 35144020800. Its totient is φ = 29254934016.

The previous prime is 32117021803. The next prime is 32117021821. The reversal of 32117021819 is 91812071123.

It is a cyclic number.

It is not a de Polignac number, because 32117021819 - 2⁴ = 32117021803 is a prime.

It is a super-2 number, since 2×32117021819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32117021869) 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, 281114 + ... + 378495.

It is an arithmetic number, because the mean of its divisors is an integer number (2196501300).

Almost surely, 2^32117021819 is an apocalyptic number.

32117021819 is a deficient number, since it is larger than the sum of its proper divisors (3026998981).

32117021819 is a wasteful number, since it uses less digits than its factorization.

32117021819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659734.

The product of its (nonzero) digits is 6048, while the sum is 35.

The spelling of 32117021819 in words is "thirty-two billion, one hundred seventeen million, twenty-one thousand, eight hundred nineteen".