6742163645 has 32 divisors (see below), whose sum is σ = 9345957120. Its totient is φ = 4573578240.

The previous prime is 6742163641. The next prime is 6742163651. The reversal of 6742163645 is 5463612476.

It is not a de Polignac number, because 6742163645 - 2² = 6742163641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6742163596 and 6742163605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6742163641) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2612966 + ... + 2615544.

It is an arithmetic number, because the mean of its divisors is an integer number (292061160).

Almost surely, 2^6742163645 is an apocalyptic number.

It is an amenable number.

6742163645 is a deficient number, since it is larger than the sum of its proper divisors (2603793475).

6742163645 is a wasteful number, since it uses less digits than its factorization.

6742163645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365.

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

The square root of 6742163645 is about 82110.6792384523. The cubic root of 6742163645 is about 1889.1499443374.

The spelling of 6742163645 in words is "six billion, seven hundred forty-two million, one hundred sixty-three thousand, six hundred forty-five".