32133105421 has 2 divisors, whose sum is σ = 32133105422. Its totient is φ = 32133105420.

The previous prime is 32133105413. The next prime is 32133105457. The reversal of 32133105421 is 12450133123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31991257321 + 141848100 = 178861^2 + 11910^2 .

It is a cyclic number.

It is not a de Polignac number, because 32133105421 - 2³ = 32133105413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32133105401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16066552710 + 16066552711.

It is an arithmetic number, because the mean of its divisors is an integer number (16066552711).

Almost surely, 2^32133105421 is an apocalyptic number.

It is an amenable number.

32133105421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32133105421 is an equidigital number, since it uses as much as digits as its factorization.

32133105421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 32133105421 its reverse (12450133123), we get a palindrome (44583238544).

The spelling of 32133105421 in words is "thirty-two billion, one hundred thirty-three million, one hundred five thousand, four hundred twenty-one".