3401202421 has 4 divisors (see below), whose sum is σ = 3405805600. Its totient is φ = 3396599244.

The previous prime is 3401202401. The next prime is 3401202503. The reversal of 3401202421 is 1242021043.

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 3401202421 - 2¹¹ = 3401200373 is a prime.

It is a super-2 number, since 2×3401202421² = 23136355817232522482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401202401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300481 + ... + 2301958.

It is an arithmetic number, because the mean of its divisors is an integer number (851451400).

Almost surely, 2^3401202421 is an apocalyptic number.

It is an amenable number.

3401202421 is a deficient number, since it is larger than the sum of its proper divisors (4603179).

3401202421 is an equidigital number, since it uses as much as digits as its factorization.

3401202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603178.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3401202421 is about 58319.8287120256. The cubic root of 3401202421 is about 1503.8718374656.

Adding to 3401202421 its reverse (1242021043), we get a palindrome (4643223464).

The spelling of 3401202421 in words is "three billion, four hundred one million, two hundred two thousand, four hundred twenty-one".