3751641644 has 6 divisors (see below), whose sum is σ = 6565372884. Its totient is φ = 1875820820.

The previous prime is 3751641643. The next prime is 3751641671. The reversal of 3751641644 is 4461461573.

It is not an unprimeable number, because it can be changed into a prime (3751641643) 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 as a sum of consecutive naturals, namely, 468955202 + ... + 468955209.

It is an arithmetic number, because the mean of its divisors is an integer number (1094228814).

Almost surely, 2^3751641644 is an apocalyptic number.

It is an amenable number.

3751641644 is a deficient number, since it is larger than the sum of its proper divisors (2813731240).

3751641644 is a wasteful number, since it uses less digits than its factorization.

3751641644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937910415 (or 937910413 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 3751641644 is about 61250.6460700620. The cubic root of 3751641644 is about 1553.8429296626.

The spelling of 3751641644 in words is "three billion, seven hundred fifty-one million, six hundred forty-one thousand, six hundred forty-four".