3948511853 has 16 divisors (see below), whose sum is σ = 4704158592. Its totient is φ = 3266760000.

The previous prime is 3948511843. The next prime is 3948511859. The reversal of 3948511853 is 3581158493.

It is a cyclic number.

It is not a de Polignac number, because 3948511853 - 2⁸ = 3948511597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3948511798 and 3948511807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948511859) 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 15 ways as a sum of consecutive naturals, for example, 184298 + ... + 204603.

It is an arithmetic number, because the mean of its divisors is an integer number (294009912).

Almost surely, 2^3948511853 is an apocalyptic number.

It is an amenable number.

3948511853 is a deficient number, since it is larger than the sum of its proper divisors (755646739).

3948511853 is a wasteful number, since it uses less digits than its factorization.

3948511853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388996.

The product of its digits is 518400, while the sum is 47.

The square root of 3948511853 is about 62837.1852727348. The cubic root of 3948511853 is about 1580.5605890123.

The spelling of 3948511853 in words is "three billion, nine hundred forty-eight million, five hundred eleven thousand, eight hundred fifty-three".