1004402120413 has 4 divisors (see below), whose sum is σ = 1028899733148. Its totient is φ = 979904507680.

The previous prime is 1004402120411. The next prime is 1004402120417. The reversal of 1004402120413 is 3140212044001.

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 139795975449 + 864606144964 = 373893^2 + 929842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004402120413 - 2¹ = 1004402120411 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 (1004402120411) 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, 12248806306 + ... + 12248806387.

It is an arithmetic number, because the mean of its divisors is an integer number (257224933287).

Almost surely, 2^{1004402120413} is an apocalyptic number.

It is an amenable number.

1004402120413 is a deficient number, since it is larger than the sum of its proper divisors (24497612735).

1004402120413 is an equidigital number, since it uses as much as digits as its factorization.

1004402120413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24497612734.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1004402120413 its reverse (3140212044001), we get a palindrome (4144614164414).

The spelling of 1004402120413 in words is "one trillion, four billion, four hundred two million, one hundred twenty thousand, four hundred thirteen".