6436066893 has 8 divisors (see below), whose sum is σ = 8581944000. Its totient is φ = 4290450528.

The previous prime is 6436066877. The next prime is 6436066919. The reversal of 6436066893 is 3986606346.

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

It is not a de Polignac number, because 6436066893 - 2⁴ = 6436066877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6436066823) 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, 2433 + ... + 113481.

It is an arithmetic number, because the mean of its divisors is an integer number (1072743000).

Almost surely, 2^6436066893 is an apocalyptic number.

It is an amenable number.

6436066893 is a deficient number, since it is larger than the sum of its proper divisors (2145877107).

6436066893 is a wasteful number, since it uses less digits than its factorization.

6436066893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130371.

The product of its (nonzero) digits is 3359232, while the sum is 51.

The square root of 6436066893 is about 80225.1013897770. The cubic root of 6436066893 is about 1860.1166625288.

The spelling of 6436066893 in words is "six billion, four hundred thirty-six million, sixty-six thousand, eight hundred ninety-three".