32038666389 has 6 divisors (see below), whose sum is σ = 46278073686. Its totient is φ = 21359110920.

The previous prime is 32038666357. The next prime is 32038666399. The reversal of 32038666389 is 98366683023.

It can be written as a sum of positive squares in only one way, i.e., 20559258225 + 11479408164 = 143385^2 + 107142^2 .

It is not a de Polignac number, because 32038666389 - 2⁵ = 32038666357 is a prime.

It is a super-2 number, since 2×32038666389² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32038666399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1779925902 + ... + 1779925919.

It is an arithmetic number, because the mean of its divisors is an integer number (7713012281).

Almost surely, 2^32038666389 is an apocalyptic number.

It is an amenable number.

32038666389 is a deficient number, since it is larger than the sum of its proper divisors (14239407297).

32038666389 is a wasteful number, since it uses less digits than its factorization.

32038666389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559851827 (or 3559851824 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 54.

The spelling of 32038666389 in words is "thirty-two billion, thirty-eight million, six hundred sixty-six thousand, three hundred eighty-nine".