6143764420 has 24 divisors (see below), whose sum is σ = 12905386200. Its totient is φ = 2456842752.

The previous prime is 6143764409. The next prime is 6143764447. The reversal of 6143764420 is 244673416.

It can be written as a sum of positive squares in 4 ways, for example, as 2092696516 + 4051067904 = 45746^2 + 63648^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6143764420.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38286 + ... + 117274.

It is an arithmetic number, because the mean of its divisors is an integer number (537724425).

Almost surely, 2^6143764420 is an apocalyptic number.

It is an amenable number.

6143764420 is an abundant number, since it is smaller than the sum of its proper divisors (6761621780).

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

6143764420 is a wasteful number, since it uses less digits than its factorization.

6143764420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82887 (or 82885 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 6143764420 is about 78382.1690182149. The cubic root of 6143764420 is about 1831.5193787773.

The spelling of 6143764420 in words is "six billion, one hundred forty-three million, seven hundred sixty-four thousand, four hundred twenty".