43204341987 has 6 divisors (see below), whose sum is σ = 62406271772. Its totient is φ = 28802894652.

The previous prime is 43204341967. The next prime is 43204341991. The reversal of 43204341987 is 78914340234.

43204341987 is a `hidden beast` number, since 4 + 3 + 20 + 434 + 198 + 7 = 666.

It is not a de Polignac number, because 43204341987 - 2⁶ = 43204341923 is a prime.

It is a super-2 number, since 2×43204341987² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43204341907) 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 5 ways as a sum of consecutive naturals, for example, 2400241213 + ... + 2400241230.

Almost surely, 2^43204341987 is an apocalyptic number.

43204341987 is a deficient number, since it is larger than the sum of its proper divisors (19201929785).

43204341987 is a wasteful number, since it uses less digits than its factorization.

43204341987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800482449 (or 4800482446 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 43204341987 in words is "forty-three billion, two hundred four million, three hundred forty-one thousand, nine hundred eighty-seven".