32421046429 has 2 divisors, whose sum is σ = 32421046430. Its totient is φ = 32421046428.

The previous prime is 32421046391. The next prime is 32421046481. The reversal of 32421046429 is 92464012423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27688294404 + 4732752025 = 166398^2 + 68795^2 .

It is a cyclic number.

It is not a de Polignac number, because 32421046429 - 2¹⁵ = 32421013661 is a prime.

It is a super-2 number, since 2×32421046429² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32421046129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16210523214 + 16210523215.

It is an arithmetic number, because the mean of its divisors is an integer number (16210523215).

Almost surely, 2^32421046429 is an apocalyptic number.

It is an amenable number.

32421046429 is a deficient number, since it is larger than the sum of its proper divisors (1).

32421046429 is an equidigital number, since it uses as much as digits as its factorization.

32421046429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 32421046429 in words is "thirty-two billion, four hundred twenty-one million, forty-six thousand, four hundred twenty-nine".