43204231019 has 2 divisors, whose sum is σ = 43204231020. Its totient is φ = 43204231018.

The previous prime is 43204231009. The next prime is 43204231039. The reversal of 43204231019 is 91013240234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43204231019 - 2²⁰ = 43203182443 is a prime.

It is a super-2 number, since 2×43204231019² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43204230982 and 43204231000.

It is not a weakly prime, because it can be changed into another prime (43204231009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21602115509 + 21602115510.

It is an arithmetic number, because the mean of its divisors is an integer number (21602115510).

Almost surely, 2^43204231019 is an apocalyptic number.

43204231019 is a deficient number, since it is larger than the sum of its proper divisors (1).

43204231019 is an equidigital number, since it uses as much as digits as its factorization.

43204231019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 43204231019 in words is "forty-three billion, two hundred four million, two hundred thirty-one thousand, nineteen".