3403142421 has 64 divisors (see below), whose sum is σ = 5629747200. Its totient is φ = 1785260736.

The previous prime is 3403142401. The next prime is 3403142503. The reversal of 3403142421 is 1242413043.

It is not a de Polignac number, because 3403142421 - 2⁵ = 3403142389 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3403142391 and 3403142400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3403142401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2384110 + ... + 2385536.

It is an arithmetic number, because the mean of its divisors is an integer number (87964800).

Almost surely, 2^3403142421 is an apocalyptic number.

It is an amenable number.

3403142421 is a deficient number, since it is larger than the sum of its proper divisors (2226604779).

3403142421 is a wasteful number, since it uses less digits than its factorization.

3403142421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 3403142421 is about 58336.4587629383. The cubic root of 3403142421 is about 1504.1577125255.

Adding to 3403142421 its reverse (1242413043), we get a palindrome (4645555464).

The spelling of 3403142421 in words is "three billion, four hundred three million, one hundred forty-two thousand, four hundred twenty-one".