474144339865 has 16 divisors (see below), whose sum is σ = 665377308288. Its totient is φ = 317566440576.

The previous prime is 474144339863. The next prime is 474144339869. The reversal of 474144339865 is 568933441474.

It is a happy number.

It is not a de Polignac number, because 474144339865 - 2¹ = 474144339863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (474144339863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157521532 + ... + 157524541.

It is an arithmetic number, because the mean of its divisors is an integer number (41586081768).

Almost surely, 2^474144339865 is an apocalyptic number.

It is an amenable number.

474144339865 is a deficient number, since it is larger than the sum of its proper divisors (191232968423).

474144339865 is a wasteful number, since it uses less digits than its factorization.

474144339865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315046128.

The product of its digits is 34836480, while the sum is 58.

The spelling of 474144339865 in words is "four hundred seventy-four billion, one hundred forty-four million, three hundred thirty-nine thousand, eight hundred sixty-five".