432401212981 has 2 divisors, whose sum is σ = 432401212982. Its totient is φ = 432401212980.

The previous prime is 432401212931. The next prime is 432401213033. The reversal of 432401212981 is 189212104234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422955122500 + 9446090481 = 650350^2 + 97191^2 .

It is a cyclic number.

It is not a de Polignac number, because 432401212981 - 2²⁹ = 431864342069 is a prime.

It is a super-2 number, since 2×432401212981² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 432401212981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432401212931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216200606490 + 216200606491.

It is an arithmetic number, because the mean of its divisors is an integer number (216200606491).

Almost surely, 2^432401212981 is an apocalyptic number.

It is an amenable number.

432401212981 is a deficient number, since it is larger than the sum of its proper divisors (1).

432401212981 is an equidigital number, since it uses as much as digits as its factorization.

432401212981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 432401212981 in words is "four hundred thirty-two billion, four hundred one million, two hundred twelve thousand, nine hundred eighty-one".