6411427764 has 48 divisors (see below), whose sum is σ = 17686704000. Its totient is φ = 1768669056.

The previous prime is 6411427751. The next prime is 6411427801. The reversal of 6411427764 is 4677241146.

It is a super-2 number, since 2×6411427764² = 82212811945980079392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1313539 + ... + 1318410.

It is an arithmetic number, because the mean of its divisors is an integer number (368473000).

Almost surely, 2^6411427764 is an apocalyptic number.

It is an amenable number.

6411427764 is an abundant number, since it is smaller than the sum of its proper divisors (11275276236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6411427764 is a wasteful number, since it uses less digits than its factorization.

6411427764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631992 (or 2631990 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 6411427764 is about 80071.3916701839. The cubic root of 6411427764 is about 1857.7399384885.

The spelling of 6411427764 in words is "six billion, four hundred eleven million, four hundred twenty-seven thousand, seven hundred sixty-four".