436478632089 has 4 divisors (see below), whose sum is σ = 581971509456. Its totient is φ = 290985754724.

The previous prime is 436478632069. The next prime is 436478632091. The reversal of 436478632089 is 980236874634.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 436478632089 - 2⁸ = 436478631833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (436478632049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72746438679 + ... + 72746438684.

It is an arithmetic number, because the mean of its divisors is an integer number (145492877364).

Almost surely, 2^436478632089 is an apocalyptic number.

It is an amenable number.

436478632089 is a deficient number, since it is larger than the sum of its proper divisors (145492877367).

436478632089 is a wasteful number, since it uses less digits than its factorization.

436478632089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145492877366.

The product of its (nonzero) digits is 41803776, while the sum is 60.

The spelling of 436478632089 in words is "four hundred thirty-six billion, four hundred seventy-eight million, six hundred thirty-two thousand, eighty-nine".