43314032421 has 24 divisors (see below), whose sum is σ = 70780286304. Its totient is φ = 26250927120.

The previous prime is 43314032413. The next prime is 43314032431. The reversal of 43314032421 is 12423041334.

43314032421 is a `hidden beast` number, since 4 + 3 + 314 + 0 + 324 + 21 = 666.

It is not a de Polignac number, because 43314032421 - 2³ = 43314032413 is a prime.

It is a super-2 number, since 2×43314032421² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43314032431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8099466 + ... + 8104811.

It is an arithmetic number, because the mean of its divisors is an integer number (2949178596).

Almost surely, 2^43314032421 is an apocalyptic number.

It is an amenable number.

43314032421 is a deficient number, since it is larger than the sum of its proper divisors (27466253883).

43314032421 is a wasteful number, since it uses less digits than its factorization.

43314032421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16204303 (or 16204291 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 43314032421 its reverse (12423041334), we get a palindrome (55737073755).

The spelling of 43314032421 in words is "forty-three billion, three hundred fourteen million, thirty-two thousand, four hundred twenty-one".