404470958413 has 4 divisors (see below), whose sum is σ = 404484081948. Its totient is φ = 404457834880.

The previous prime is 404470958393. The next prime is 404470958443. The reversal of 404470958413 is 314859074404.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 200236560484 + 204234397929 = 447478^2 + 451923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404470958413 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404470958443) 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, 6515428 + ... + 6577213.

It is an arithmetic number, because the mean of its divisors is an integer number (101121020487).

Almost surely, 2^404470958413 is an apocalyptic number.

It is an amenable number.

404470958413 is a deficient number, since it is larger than the sum of its proper divisors (13123535).

404470958413 is a wasteful number, since it uses less digits than its factorization.

404470958413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13123534.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 404470958413 in words is "four hundred four billion, four hundred seventy million, nine hundred fifty-eight thousand, four hundred thirteen".