32421026321 has 2 divisors, whose sum is σ = 32421026322. Its totient is φ = 32421026320.

The previous prime is 32421026311. The next prime is 32421026353. The reversal of 32421026321 is 12362012423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18523210000 + 13897816321 = 136100^2 + 117889^2 .

It is a cyclic number.

It is not a de Polignac number, because 32421026321 - 2²⁶ = 32353917457 is a prime.

It is a super-2 number, since 2×32421026321² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32421026311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16210513160 + 16210513161.

It is an arithmetic number, because the mean of its divisors is an integer number (16210513161).

Almost surely, 2^32421026321 is an apocalyptic number.

It is an amenable number.

32421026321 is a deficient number, since it is larger than the sum of its proper divisors (1).

32421026321 is an equidigital number, since it uses as much as digits as its factorization.

32421026321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 32421026321 its reverse (12362012423), we get a palindrome (44783038744).

It can be divided in two parts, 3242102 and 6321, that added together give a palindrome (3248423).

The spelling of 32421026321 in words is "thirty-two billion, four hundred twenty-one million, twenty-six thousand, three hundred twenty-one".