6428605501 has 8 divisors (see below), whose sum is σ = 6924501504. Its totient is φ = 5950742160.

The previous prime is 6428605493. The next prime is 6428605511. The reversal of 6428605501 is 1055068246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6428605501 - 2³ = 6428605493 is a prime.

It is a super-2 number, since 2×6428605501² = 82653937374974922002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428605511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4507426 + ... + 4508851.

It is an arithmetic number, because the mean of its divisors is an integer number (865562688).

Almost surely, 2^6428605501 is an apocalyptic number.

It is an amenable number.

6428605501 is a deficient number, since it is larger than the sum of its proper divisors (495896003).

6428605501 is a wasteful number, since it uses less digits than its factorization.

6428605501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9016331.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 6428605501 is about 80178.5850523692. The cubic root of 6428605501 is about 1859.3975677438.

The spelling of 6428605501 in words is "six billion, four hundred twenty-eight million, six hundred five thousand, five hundred one".