42432131401 has 4 divisors (see below), whose sum is σ = 46289597904. Its totient is φ = 38574664900.

The previous prime is 42432131383. The next prime is 42432131407. The reversal of 42432131401 is 10413123424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42432131401 - 2⁹ = 42432130889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42432131407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1928733235 + ... + 1928733256.

It is an arithmetic number, because the mean of its divisors is an integer number (11572399476).

Almost surely, 2^42432131401 is an apocalyptic number.

It is an amenable number.

42432131401 is a deficient number, since it is larger than the sum of its proper divisors (3857466503).

42432131401 is a wasteful number, since it uses less digits than its factorization.

42432131401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857466502.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 42432131401 its reverse (10413123424), we get a palindrome (52845254825).

The spelling of 42432131401 in words is "forty-two billion, four hundred thirty-two million, one hundred thirty-one thousand, four hundred one".