42132210397 has 4 divisors (see below), whose sum is σ = 42132644316. Its totient is φ = 42131776480.

The previous prime is 42132210371. The next prime is 42132210403. The reversal of 42132210397 is 79301223124.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 33528905881 + 8603304516 = 183109^2 + 92754^2 .

It is a cyclic number.

It is not a de Polignac number, because 42132210397 - 2¹⁵ = 42132177629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42132210697) 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 in 3 ways as a sum of consecutive naturals, for example, 3063 + ... + 290299.

It is an arithmetic number, because the mean of its divisors is an integer number (10533161079).

Almost surely, 2^42132210397 is an apocalyptic number.

It is an amenable number.

42132210397 is a deficient number, since it is larger than the sum of its proper divisors (433919).

42132210397 is a wasteful number, since it uses less digits than its factorization.

42132210397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433918.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 42132210397 in words is "forty-two billion, one hundred thirty-two million, two hundred ten thousand, three hundred ninety-seven".