404001563413 has 4 divisors (see below), whose sum is σ = 461716072480. Its totient is φ = 346287054348.

The previous prime is 404001563411. The next prime is 404001563417. The reversal of 404001563413 is 314365100404.

It is a happy number.

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 404001563413 - 2¹ = 404001563411 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 (404001563411) 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, 28857254523 + ... + 28857254536.

It is an arithmetic number, because the mean of its divisors is an integer number (115429018120).

Almost surely, 2^404001563413 is an apocalyptic number.

It is an amenable number.

404001563413 is a deficient number, since it is larger than the sum of its proper divisors (57714509067).

404001563413 is an equidigital number, since it uses as much as digits as its factorization.

404001563413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57714509066.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 404001563413 its reverse (314365100404), we get a palindrome (718366663817).

The spelling of 404001563413 in words is "four hundred four billion, one million, five hundred sixty-three thousand, four hundred thirteen".