6743699644 has 12 divisors (see below), whose sum is σ = 12874335768. Its totient is φ = 3065318000.

The previous prime is 6743699623. The next prime is 6743699681. The reversal of 6743699644 is 4469963476.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 76632907 + ... + 76632994.

It is an arithmetic number, because the mean of its divisors is an integer number (1072861314).

Almost surely, 2^6743699644 is an apocalyptic number.

It is an amenable number.

6743699644 is a deficient number, since it is larger than the sum of its proper divisors (6130636124).

6743699644 is a wasteful number, since it uses less digits than its factorization.

6743699644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153265916 (or 153265914 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 58.

The square root of 6743699644 is about 82120.0319288784. The cubic root of 6743699644 is about 1889.2933954236.

The spelling of 6743699644 in words is "six billion, seven hundred forty-three million, six hundred ninety-nine thousand, six hundred forty-four".