6641037747 has 16 divisors (see below), whose sum is σ = 10024210080. Its totient is φ = 4343822496.

The previous prime is 6641037703. The next prime is 6641037761. The reversal of 6641037747 is 7477301466.

It is not a de Polignac number, because 6641037747 - 2¹⁴ = 6641021363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6641037797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2318988 + ... + 2321849.

It is an arithmetic number, because the mean of its divisors is an integer number (626513130).

Almost surely, 2^6641037747 is an apocalyptic number.

6641037747 is a deficient number, since it is larger than the sum of its proper divisors (3383172333).

6641037747 is a wasteful number, since it uses less digits than its factorization.

6641037747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640899 (or 4640893 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 6641037747 is about 81492.5625256686. The cubic root of 6641037747 is about 1879.6571869080.

The spelling of 6641037747 in words is "six billion, six hundred forty-one million, thirty-seven thousand, seven hundred forty-seven".