3948913243 has 16 divisors (see below), whose sum is σ = 4327538400. Its totient is φ = 3573606400.

The previous prime is 3948913183. The next prime is 3948913249. The reversal of 3948913243 is 3423198493.

It is a cyclic number.

It is not a de Polignac number, because 3948913243 - 2²¹ = 3946816091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3948913193 and 3948913202.

It is not an unprimeable number, because it can be changed into a prime (3948913249) 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, 3343113 + ... + 3344293.

It is an arithmetic number, because the mean of its divisors is an integer number (270471150).

Almost surely, 2^3948913243 is an apocalyptic number.

3948913243 is a deficient number, since it is larger than the sum of its proper divisors (378625157).

3948913243 is a wasteful number, since it uses less digits than its factorization.

3948913243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

The product of its digits is 559872, while the sum is 46.

The square root of 3948913243 is about 62840.3790806516. The cubic root of 3948913243 is about 1580.6141450306.

The spelling of 3948913243 in words is "three billion, nine hundred forty-eight million, nine hundred thirteen thousand, two hundred forty-three".