43010010421 has 64 divisors (see below), whose sum is σ = 56895160320. Its totient is φ = 31617838080.

The previous prime is 43010010413. The next prime is 43010010473. The reversal of 43010010421 is 12401001034.

It is a cyclic number.

It is not a de Polignac number, because 43010010421 - 2³ = 43010010413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43010010395 and 43010010404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43010010401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12123970 + ... + 12127516.

It is an arithmetic number, because the mean of its divisors is an integer number (888986880).

Almost surely, 2^43010010421 is an apocalyptic number.

It is an amenable number.

43010010421 is a deficient number, since it is larger than the sum of its proper divisors (13885149899).

43010010421 is a wasteful number, since it uses less digits than its factorization.

43010010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 43010010421 its reverse (12401001034), we get a palindrome (55411011455).

The spelling of 43010010421 in words is "forty-three billion, ten million, ten thousand, four hundred twenty-one".