6493033428 has 24 divisors (see below), whose sum is σ = 17314756032. Its totient is φ = 1855152384.

The previous prime is 6493033403. The next prime is 6493033487. The reversal of 6493033428 is 8243303946.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6493033428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38648925 + ... + 38649092.

It is an arithmetic number, because the mean of its divisors is an integer number (721448168).

Almost surely, 2^6493033428 is an apocalyptic number.

It is an amenable number.

6493033428 is an abundant number, since it is smaller than the sum of its proper divisors (10821722604).

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

6493033428 is a wasteful number, since it uses less digits than its factorization.

6493033428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77298031 (or 77298029 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The square root of 6493033428 is about 80579.3610548011. The cubic root of 6493033428 is about 1865.5886014082.

The spelling of 6493033428 in words is "six billion, four hundred ninety-three million, thirty-three thousand, four hundred twenty-eight".