42476531021 has 8 divisors (see below), whose sum is σ = 42755110944. Its totient is φ = 42198053040.

The previous prime is 42476531017. The next prime is 42476531023. The reversal of 42476531021 is 12013567424.

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 42476531021 - 2² = 42476531017 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 (42476531023) 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, 926366 + ... + 971136.

It is an arithmetic number, because the mean of its divisors is an integer number (5344388868).

Almost surely, 2^42476531021 is an apocalyptic number.

It is an amenable number.

42476531021 is a deficient number, since it is larger than the sum of its proper divisors (278579923).

42476531021 is a wasteful number, since it uses less digits than its factorization.

42476531021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50971.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 42476531021 in words is "forty-two billion, four hundred seventy-six million, five hundred thirty-one thousand, twenty-one".