43254423039 has 64 divisors (see below), whose sum is σ = 64198184960. Its totient is φ = 25798901760.

The previous prime is 43254423029. The next prime is 43254423049. The reversal of 43254423039 is 93032445234.

It is an interprime number because it is at equal distance from previous prime (43254423029) and next prime (43254423049).

It is not a de Polignac number, because 43254423039 - 2²⁴ = 43237645823 is a prime.

It is a super-2 number, since 2×43254423039² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43254422988 and 43254423006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43254423029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12510399 + ... + 12513855.

It is an arithmetic number, because the mean of its divisors is an integer number (1003096640).

Almost surely, 2^43254423039 is an apocalyptic number.

43254423039 is a deficient number, since it is larger than the sum of its proper divisors (20943761921).

43254423039 is a wasteful number, since it uses less digits than its factorization.

43254423039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 43254423039 in words is "forty-three billion, two hundred fifty-four million, four hundred twenty-three thousand, thirty-nine".