6253661656343 has 4 divisors (see below), whose sum is σ = 6253797007560. Its totient is φ = 6253526305128.

The previous prime is 6253661656271. The next prime is 6253661656351. The reversal of 6253661656343 is 3436561663526.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6253661656343 - 2¹⁸ = 6253661394199 is a prime.

It is a super-2 number, since 2×6253661656343² (a number of 26 digits) 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 (6253661656373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67606280 + ... + 67698717.

It is an arithmetic number, because the mean of its divisors is an integer number (1563449251890).

Almost surely, 2^{6253661656343} is an apocalyptic number.

6253661656343 is a deficient number, since it is larger than the sum of its proper divisors (135351217).

6253661656343 is a wasteful number, since it uses less digits than its factorization.

6253661656343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135351216.

The product of its digits is 41990400, while the sum is 56.

The spelling of 6253661656343 in words is "six trillion, two hundred fifty-three billion, six hundred sixty-one million, six hundred fifty-six thousand, three hundred forty-three".