6420011504 has 10 divisors (see below), whose sum is σ = 12438772320. Its totient is φ = 3210005744.

The previous prime is 6420011491. The next prime is 6420011513. The reversal of 6420011504 is 4051100246.

It is a super-2 number, since 2×6420011504² = 82433095422984684032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6420011504.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 200625344 + ... + 200625375.

It is an arithmetic number, because the mean of its divisors is an integer number (1243877232).

Almost surely, 2^6420011504 is an apocalyptic number.

It is an amenable number.

6420011504 is a deficient number, since it is larger than the sum of its proper divisors (6018760816).

6420011504 is a wasteful number, since it uses less digits than its factorization.

6420011504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401250727 (or 401250721 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 6420011504 is about 80124.9742839272. The cubic root of 6420011504 is about 1858.5686278261.

The spelling of 6420011504 in words is "six billion, four hundred twenty million, eleven thousand, five hundred four".