6493436136 has 48 divisors (see below), whose sum is σ = 19185154560. Its totient is φ = 1967707680.

The previous prime is 6493436129. The next prime is 6493436141. The reversal of 6493436136 is 6316343946.

It is a super-2 number, since 2×6493436136² = 84329425704621220992, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 6493436091 and 6493436100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4098600 + ... + 4100183.

It is an arithmetic number, because the mean of its divisors is an integer number (399690720).

Almost surely, 2^6493436136 is an apocalyptic number.

6493436136 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6493436136 is an abundant number, since it is smaller than the sum of its proper divisors (12691718424).

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

6493436136 is a wasteful number, since it uses less digits than its factorization.

6493436136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198806 (or 8198799 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The square root of 6493436136 is about 80581.8598445084. The cubic root of 6493436136 is about 1865.6271695100.

The spelling of 6493436136 in words is "six billion, four hundred ninety-three million, four hundred thirty-six thousand, one hundred thirty-six".