3421261265253 has 32 divisors (see below), whose sum is σ = 5027418063360. Its totient is φ = 2056186883520.

The previous prime is 3421261265249. The next prime is 3421261265263. The reversal of 3421261265253 is 3525621621243.

It is not a de Polignac number, because 3421261265253 - 2² = 3421261265249 is a prime.

It is a super-3 number, since 3×3421261265253³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421261265263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14673798 + ... + 14905128.

It is an arithmetic number, because the mean of its divisors is an integer number (157106814480).

Almost surely, 2^{3421261265253} is an apocalyptic number.

It is an amenable number.

3421261265253 is a deficient number, since it is larger than the sum of its proper divisors (1606156798107).

3421261265253 is a wasteful number, since it uses less digits than its factorization.

3421261265253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240209.

The product of its digits is 518400, while the sum is 42.

Adding to 3421261265253 its reverse (3525621621243), we get a palindrome (6946882886496).

The spelling of 3421261265253 in words is "three trillion, four hundred twenty-one billion, two hundred sixty-one million, two hundred sixty-five thousand, two hundred fifty-three".