3000400003421 has 8 divisors (see below), whose sum is σ = 3034860599160. Its totient is φ = 2965956035328.

The previous prime is 3000400003417. The next prime is 3000400003451. The reversal of 3000400003421 is 1243000040003.

It can be written as a sum of positive squares in 4 ways, for example, as 633759288100 + 2366640715321 = 796090^2 + 1538389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3000400003421 - 2² = 3000400003417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3000400003421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000400003411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3793766 + ... + 4515911.

It is an arithmetic number, because the mean of its divisors is an integer number (379357574895).

Almost surely, 2^{3000400003421} is an apocalyptic number.

It is an amenable number.

3000400003421 is a deficient number, since it is larger than the sum of its proper divisors (34460595739).

3000400003421 is an equidigital number, since it uses as much as digits as its factorization.

3000400003421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313823.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 3000400003421 its reverse (1243000040003), we get a palindrome (4243400043424).

The spelling of 3000400003421 in words is "three trillion, four hundred million, three thousand, four hundred twenty-one".