32281406939 has 2 divisors, whose sum is σ = 32281406940. Its totient is φ = 32281406938.

The previous prime is 32281406929. The next prime is 32281406951. The reversal of 32281406939 is 93960418223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32281406939 - 2¹² = 32281402843 is a prime.

It is a super-2 number, since 2×32281406939² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32281406893 and 32281406902.

It is not a weakly prime, because it can be changed into another prime (32281406929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16140703469 + 16140703470.

It is an arithmetic number, because the mean of its divisors is an integer number (16140703470).

Almost surely, 2^32281406939 is an apocalyptic number.

32281406939 is a deficient number, since it is larger than the sum of its proper divisors (1).

32281406939 is an equidigital number, since it uses as much as digits as its factorization.

32281406939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 32281406939 in words is "thirty-two billion, two hundred eighty-one million, four hundred six thousand, nine hundred thirty-nine".