43243902429 has 24 divisors (see below), whose sum is σ = 72231576480. Its totient is φ = 22809969504.

The previous prime is 43243902391. The next prime is 43243902431. The reversal of 43243902429 is 92420934234.

It is not a de Polignac number, because 43243902429 - 2⁹ = 43243901917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243902629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11312559 + ... + 11316380.

It is an arithmetic number, because the mean of its divisors is an integer number (3009649020).

Almost surely, 2^43243902429 is an apocalyptic number.

43243902429 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

43243902429 is a deficient number, since it is larger than the sum of its proper divisors (28987674051).

43243902429 is a wasteful number, since it uses less digits than its factorization.

43243902429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22628969 (or 22628962 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 43243902429 in words is "forty-three billion, two hundred forty-three million, nine hundred two thousand, four hundred twenty-nine".