43254100019 has 16 divisors (see below), whose sum is σ = 48145413120. Its totient is φ = 38589518880.

The previous prime is 43254099971. The next prime is 43254100063. The reversal of 43254100019 is 91000145234.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43254100019 is a prime.

It is a super-2 number, since 2×43254100019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43254099964 and 43254100000.

It is not an unprimeable number, because it can be changed into a prime (43254100819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248972 + ... + 385350.

It is an arithmetic number, because the mean of its divisors is an integer number (3009088320).

Almost surely, 2^43254100019 is an apocalyptic number.

43254100019 is a deficient number, since it is larger than the sum of its proper divisors (4891313101).

43254100019 is a wasteful number, since it uses less digits than its factorization.

43254100019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137210.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 43254100019 in words is "forty-three billion, two hundred fifty-four million, one hundred thousand, nineteen".