32120026643 has 2 divisors, whose sum is σ = 32120026644. Its totient is φ = 32120026642.

The previous prime is 32120026639. The next prime is 32120026703. The reversal of 32120026643 is 34662002123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32120026643 - 2² = 32120026639 is a prime.

It is a super-2 number, since 2×32120026643² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32120023643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060013321 + 16060013322.

It is an arithmetic number, because the mean of its divisors is an integer number (16060013322).

Almost surely, 2^32120026643 is an apocalyptic number.

32120026643 is a deficient number, since it is larger than the sum of its proper divisors (1).

32120026643 is an equidigital number, since it uses as much as digits as its factorization.

32120026643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 32120026643 its reverse (34662002123), we get a palindrome (66782028766).

The spelling of 32120026643 in words is "thirty-two billion, one hundred twenty million, twenty-six thousand, six hundred forty-three".