6232135756421 has 4 divisors (see below), whose sum is σ = 6276971265600. Its totient is φ = 6187300247244.

The previous prime is 6232135756373. The next prime is 6232135756481. The reversal of 6232135756421 is 1246575312326.

It is a happy number.

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 6232135756421 - 2¹⁴ = 6232135740037 is a prime.

It is a super-4 number, since 4×6232135756421⁴ (a number of 52 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6232135756481) 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, 22417754381 + ... + 22417754658.

It is an arithmetic number, because the mean of its divisors is an integer number (1569242816400).

Almost surely, 2^{6232135756421} is an apocalyptic number.

It is an amenable number.

6232135756421 is a deficient number, since it is larger than the sum of its proper divisors (44835509179).

6232135756421 is a wasteful number, since it uses less digits than its factorization.

6232135756421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44835509178.

The product of its digits is 1814400, while the sum is 47.

The spelling of 6232135756421 in words is "six trillion, two hundred thirty-two billion, one hundred thirty-five million, seven hundred fifty-six thousand, four hundred twenty-one".