32401421855987 has 2 divisors, whose sum is σ = 32401421855988. Its totient is φ = 32401421855986.

The previous prime is 32401421855981. The next prime is 32401421856007. The reversal of 32401421855987 is 78955812410423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32401421855987 - 2¹⁴ = 32401421839603 is a prime.

It is not a weakly prime, because it can be changed into another prime (32401421855981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16200710927993 + 16200710927994.

It is an arithmetic number, because the mean of its divisors is an integer number (16200710927994).

Almost surely, 2^{32401421855987} is an apocalyptic number.

32401421855987 is a deficient number, since it is larger than the sum of its proper divisors (1).

32401421855987 is an equidigital number, since it uses as much as digits as its factorization.

32401421855987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 32401421855987 in words is "thirty-two trillion, four hundred one billion, four hundred twenty-one million, eight hundred fifty-five thousand, nine hundred eighty-seven".