42134404300021 has 8 divisors (see below), whose sum is σ = 45965196129888. Its totient is φ = 38303677710000.

The previous prime is 42134404300019. The next prime is 42134404300033. The reversal of 42134404300021 is 12000340443124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42134404300021 - 2¹ = 42134404300019 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 (42134404300321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14954670 + ... + 17547391.

It is an arithmetic number, because the mean of its divisors is an integer number (5745649516236).

Almost surely, 2^{42134404300021} is an apocalyptic number.

It is an amenable number.

42134404300021 is a deficient number, since it is larger than the sum of its proper divisors (3830791829867).

42134404300021 is a wasteful number, since it uses less digits than its factorization.

42134404300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32619923.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42134404300021 its reverse (12000340443124), we get a palindrome (54134744743145).

The spelling of 42134404300021 in words is "forty-two trillion, one hundred thirty-four billion, four hundred four million, three hundred thousand, twenty-one".