421331600071 has 16 divisors (see below), whose sum is σ = 435245267520. Its totient is φ = 407695150080.

The previous prime is 421331600033. The next prime is 421331600089. The reversal of 421331600071 is 170006133124.

It is a cyclic number.

It is not a de Polignac number, because 421331600071 - 2¹⁵ = 421331567303 is a prime.

It is a super-3 number, since 3×421331600071³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421331600021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774945 + ... + 1201333.

It is an arithmetic number, because the mean of its divisors is an integer number (27202829220).

Almost surely, 2^421331600071 is an apocalyptic number.

421331600071 is a deficient number, since it is larger than the sum of its proper divisors (13913667449).

421331600071 is a wasteful number, since it uses less digits than its factorization.

421331600071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426714.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 421331600071 its reverse (170006133124), we get a palindrome (591337733195).

The spelling of 421331600071 in words is "four hundred twenty-one billion, three hundred thirty-one million, six hundred thousand, seventy-one".