43132193421 has 8 divisors (see below), whose sum is σ = 58733199744. Its totient is φ = 28142991360.

The previous prime is 43132193407. The next prime is 43132193431. The reversal of 43132193421 is 12439123134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43132193421 - 2³⁵ = 8772455053 is a prime.

It is a super-2 number, since 2×43132193421² (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 (43132193431) 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, 152950900 + ... + 152951181.

It is an arithmetic number, because the mean of its divisors is an integer number (7341649968).

Almost surely, 2^43132193421 is an apocalyptic number.

It is an amenable number.

43132193421 is a deficient number, since it is larger than the sum of its proper divisors (15601006323).

43132193421 is a wasteful number, since it uses less digits than its factorization.

43132193421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305902131.

The product of its digits is 15552, while the sum is 33.

The spelling of 43132193421 in words is "forty-three billion, one hundred thirty-two million, one hundred ninety-three thousand, four hundred twenty-one".