469449043039 has 4 divisors (see below), whose sum is σ = 469553069056. Its totient is φ = 469345017024.

The previous prime is 469449042977. The next prime is 469449043051. The reversal of 469449043039 is 930340944964.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-469449043039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469449043069) 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, 52006239 + ... + 52015264.

It is an arithmetic number, because the mean of its divisors is an integer number (117388267264).

Almost surely, 2^469449043039 is an apocalyptic number.

469449043039 is a deficient number, since it is larger than the sum of its proper divisors (104026017).

469449043039 is a wasteful number, since it uses less digits than its factorization.

469449043039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104026016.

The product of its (nonzero) digits is 10077696, while the sum is 55.

The spelling of 469449043039 in words is "four hundred sixty-nine billion, four hundred forty-nine million, forty-three thousand, thirty-nine".