3402544121 has 4 divisors (see below), whose sum is σ = 3485533044. Its totient is φ = 3319555200.

The previous prime is 3402544099. The next prime is 3402544133. The reversal of 3402544121 is 1214452043.

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 1218010000 + 2184534121 = 34900^2 + 46739^2 .

It is a cyclic number.

It is not a de Polignac number, because 3402544121 - 2¹⁸ = 3402281977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3402544151) 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, 41494400 + ... + 41494481.

It is an arithmetic number, because the mean of its divisors is an integer number (871383261).

Almost surely, 2^3402544121 is an apocalyptic number.

It is an amenable number.

3402544121 is a deficient number, since it is larger than the sum of its proper divisors (82988923).

3402544121 is an equidigital number, since it uses as much as digits as its factorization.

3402544121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82988922.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 3402544121 is about 58331.3305265704. The cubic root of 3402544121 is about 1504.0695596565.

Adding to 3402544121 its reverse (1214452043), we get a palindrome (4616996164).

The spelling of 3402544121 in words is "three billion, four hundred two million, five hundred forty-four thousand, one hundred twenty-one".