42471003621 has 16 divisors (see below), whose sum is σ = 58531878720. Its totient is φ = 27377800320.

The previous prime is 42471003607. The next prime is 42471003689. The reversal of 42471003621 is 12630017424.

It is not a de Polignac number, because 42471003621 - 2¹⁵ = 42470970853 is a prime.

It is a super-2 number, since 2×42471003621² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42471003821) 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 15 ways as a sum of consecutive naturals, for example, 1956000 + ... + 1977593.

It is an arithmetic number, because the mean of its divisors is an integer number (3658242420).

Almost surely, 2^42471003621 is an apocalyptic number.

It is an amenable number.

42471003621 is a deficient number, since it is larger than the sum of its proper divisors (16060875099).

42471003621 is a wasteful number, since it uses less digits than its factorization.

42471003621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933716.

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 42471003621 in words is "forty-two billion, four hundred seventy-one million, three thousand, six hundred twenty-one".