6231746645 has 8 divisors (see below), whose sum is σ = 7680206904. Its totient is φ = 4850656704.

The previous prime is 6231746639. The next prime is 6231746659. The reversal of 6231746645 is 5466471326.

It can be written as a sum of positive squares in 4 ways, for example, as 2771601316 + 3460145329 = 52646^2 + 58823^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6231746645 - 2⁴ = 6231746629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6231746596 and 6231746605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16842374 + ... + 16842743.

It is an arithmetic number, because the mean of its divisors is an integer number (960025863).

Almost surely, 2^6231746645 is an apocalyptic number.

It is an amenable number.

6231746645 is a deficient number, since it is larger than the sum of its proper divisors (1448460259).

6231746645 is a wasteful number, since it uses less digits than its factorization.

6231746645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33685159.

The product of its digits is 725760, while the sum is 44.

The square root of 6231746645 is about 78941.4127375486. The cubic root of 6231746645 is about 1840.2207758284.

The spelling of 6231746645 in words is "six billion, two hundred thirty-one million, seven hundred forty-six thousand, six hundred forty-five".