6411749269841 has 4 divisors (see below), whose sum is σ = 6411756518400. Its totient is φ = 6411742021284.

The previous prime is 6411749269837. The next prime is 6411749269847. The reversal of 6411749269841 is 1489629471146.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6411749269841 - 2² = 6411749269837 is a prime.

It is a super-2 number, since 2×6411749269841² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6411749269847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077361 + ... + 4139918.

It is an arithmetic number, because the mean of its divisors is an integer number (1602939129600).

Almost surely, 2^{6411749269841} is an apocalyptic number.

It is an amenable number.

6411749269841 is a deficient number, since it is larger than the sum of its proper divisors (7248559).

6411749269841 is a wasteful number, since it uses less digits than its factorization.

6411749269841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248558.

The product of its digits is 20901888, while the sum is 62.

The spelling of 6411749269841 in words is "six trillion, four hundred eleven billion, seven hundred forty-nine million, two hundred sixty-nine thousand, eight hundred forty-one".