6400376753 has 4 divisors (see below), whose sum is σ = 6549222768. Its totient is φ = 6251530740.

The previous prime is 6400376747. The next prime is 6400376761. The reversal of 6400376753 is 3576730046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6400376753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6400376753.

It is not an unprimeable number, because it can be changed into a prime (6400376713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74422943 + ... + 74423028.

It is an arithmetic number, because the mean of its divisors is an integer number (1637305692).

Almost surely, 2^6400376753 is an apocalyptic number.

It is an amenable number.

6400376753 is a deficient number, since it is larger than the sum of its proper divisors (148846015).

6400376753 is a wasteful number, since it uses less digits than its factorization.

6400376753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148846014.

The product of its (nonzero) digits is 317520, while the sum is 41.

The square root of 6400376753 is about 80002.3546715970. The cubic root of 6400376753 is about 1856.6719646577.

The spelling of 6400376753 in words is "six billion, four hundred million, three hundred seventy-six thousand, seven hundred fifty-three".