3954318648 has 32 divisors (see below), whose sum is σ = 11298053760. Its totient is φ = 1129805280.

The previous prime is 3954318647. The next prime is 3954318689. The reversal of 3954318648 is 8468134593.

It is a self number, because there is not a number n which added to its sum of digits gives 3954318648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954318647) 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 7 ways as a sum of consecutive naturals, for example, 11768638 + ... + 11768973.

It is an arithmetic number, because the mean of its divisors is an integer number (353064180).

Almost surely, 2^3954318648 is an apocalyptic number.

It is an amenable number.

3954318648 is an abundant number, since it is smaller than the sum of its proper divisors (7343735112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3954318648 is a wasteful number, since it uses less digits than its factorization.

3954318648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23537627 (or 23537623 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 3954318648 is about 62883.3733827949. The cubic root of 3954318648 is about 1581.3350154461.

The spelling of 3954318648 in words is "three billion, nine hundred fifty-four million, three hundred eighteen thousand, six hundred forty-eight".