43172492141 has 4 divisors (see below), whose sum is σ = 43512433152. Its totient is φ = 42832551132.

The previous prime is 43172492131. The next prime is 43172492177. The reversal of 43172492141 is 14129427134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43172492141 - 2¹⁴ = 43172475757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43172492095 and 43172492104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43172492101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169970315 + ... + 169970568.

It is an arithmetic number, because the mean of its divisors is an integer number (10878108288).

Almost surely, 2^43172492141 is an apocalyptic number.

It is an amenable number.

43172492141 is a deficient number, since it is larger than the sum of its proper divisors (339941011).

43172492141 is a wasteful number, since it uses less digits than its factorization.

43172492141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339941010.

The product of its digits is 48384, while the sum is 38.

The spelling of 43172492141 in words is "forty-three billion, one hundred seventy-two million, four hundred ninety-two thousand, one hundred forty-one".