6420413512 has 16 divisors (see below), whose sum is σ = 12242314800. Its totient is φ = 3155796240.

The previous prime is 6420413509. The next prime is 6420413533. The reversal of 6420413512 is 2153140246.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6800814 + ... + 6801757.

It is an arithmetic number, because the mean of its divisors is an integer number (765144675).

Almost surely, 2^6420413512 is an apocalyptic number.

It is an amenable number.

6420413512 is a deficient number, since it is larger than the sum of its proper divisors (5821901288).

6420413512 is a wasteful number, since it uses less digits than its factorization.

6420413512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13602636 (or 13602632 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 6420413512 is about 80127.4828757275. The cubic root of 6420413512 is about 1858.6074202728.

Adding to 6420413512 its reverse (2153140246), we get a palindrome (8573553758).

The spelling of 6420413512 in words is "six billion, four hundred twenty million, four hundred thirteen thousand, five hundred twelve".