432420074632661 has 4 divisors (see below), whose sum is σ = 434919612636492. Its totient is φ = 429920536628832.

The previous prime is 432420074632633. The next prime is 432420074632669. The reversal of 432420074632661 is 166236470024234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 388751965638436 + 43668108994225 = 19716794^2 + 6608185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432420074632661 is a prime.

It is a super-2 number, since 2×432420074632661² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432420074632669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249769001656 + ... + 1249769002001.

It is an arithmetic number, because the mean of its divisors is an integer number (108729903159123).

Almost surely, 2^{432420074632661} is an apocalyptic number.

It is an amenable number.

432420074632661 is a deficient number, since it is larger than the sum of its proper divisors (2499538003831).

432420074632661 is a wasteful number, since it uses less digits than its factorization.

432420074632661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499538003830.

The product of its (nonzero) digits is 6967296, while the sum is 50.

The spelling of 432420074632661 in words is "four hundred thirty-two trillion, four hundred twenty billion, seventy-four million, six hundred thirty-two thousand, six hundred sixty-one".