6390481747 has 16 divisors (see below), whose sum is σ = 7299446112. Its totient is φ = 5542341120.

The previous prime is 6390481733. The next prime is 6390481753. The reversal of 6390481747 is 7471840936.

It is a cyclic number.

It is not a de Polignac number, because 6390481747 - 2¹¹ = 6390479699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6390481747.

It is not an unprimeable number, because it can be changed into a prime (6390481547) 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, 105097 + ... + 154357.

It is an arithmetic number, because the mean of its divisors is an integer number (456215382).

Almost surely, 2^6390481747 is an apocalyptic number.

6390481747 is a deficient number, since it is larger than the sum of its proper divisors (908964365).

6390481747 is a wasteful number, since it uses less digits than its factorization.

6390481747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49878.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 6390481747 is about 79940.4887838447. The cubic root of 6390481747 is about 1855.7146639293.

The spelling of 6390481747 in words is "six billion, three hundred ninety million, four hundred eighty-one thousand, seven hundred forty-seven".