43397429147 has 4 divisors (see below), whose sum is σ = 43398010296. Its totient is φ = 43396848000.

The previous prime is 43397429137. The next prime is 43397429183. The reversal of 43397429147 is 74192479334.

It is a happy number.

43397429147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74192479334 = 2 ⋅37096239667.

It is a cyclic number.

It is not a de Polignac number, because 43397429147 - 2⁶ = 43397429083 is a prime.

It is a super-3 number, since 3×43397429147³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43397429137) 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, 158573 + ... + 334574.

It is an arithmetic number, because the mean of its divisors is an integer number (10849502574).

Almost surely, 2^43397429147 is an apocalyptic number.

43397429147 is a deficient number, since it is larger than the sum of its proper divisors (581149).

43397429147 is an equidigital number, since it uses as much as digits as its factorization.

43397429147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581148.

The product of its digits is 4572288, while the sum is 53.

The spelling of 43397429147 in words is "forty-three billion, three hundred ninety-seven million, four hundred twenty-nine thousand, one hundred forty-seven".