32406392282081 has 4 divisors (see below), whose sum is σ = 32862820342464. Its totient is φ = 31949964221700.

The previous prime is 32406392282021. The next prime is 32406392282113. The reversal of 32406392282081 is 18028229360423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32406392282081 - 2¹⁰ = 32406392281057 is a prime.

It is a super-2 number, since 2×32406392282081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32406392282021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228214030085 + ... + 228214030226.

It is an arithmetic number, because the mean of its divisors is an integer number (8215705085616).

Almost surely, 2^{32406392282081} is an apocalyptic number.

It is an amenable number.

32406392282081 is a deficient number, since it is larger than the sum of its proper divisors (456428060383).

32406392282081 is an equidigital number, since it uses as much as digits as its factorization.

32406392282081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456428060382.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 32406392282081 in words is "thirty-two trillion, four hundred six billion, three hundred ninety-two million, two hundred eighty-two thousand, eighty-one".