3518072648 has 16 divisors (see below), whose sum is σ = 6686748780. Its totient is φ = 1734939648.

The previous prime is 3518072647. The next prime is 3518072651. The reversal of 3518072648 is 8462708153.

It can be written as a sum of positive squares in 2 ways, for example, as 3352641604 + 165431044 = 57902^2 + 12862^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3518072599 and 3518072608.

It is not an unprimeable number, because it can be changed into a prime (3518072647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3011465 + ... + 3012632.

Almost surely, 2^3518072648 is an apocalyptic number.

It is an amenable number.

3518072648 is a deficient number, since it is larger than the sum of its proper divisors (3168676132).

3518072648 is a wasteful number, since it uses less digits than its factorization.

3518072648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024176 (or 6024172 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 3518072648 is about 59313.3429170874. The cubic root of 3518072648 is about 1520.9032961909.

The spelling of 3518072648 in words is "three billion, five hundred eighteen million, seventy-two thousand, six hundred forty-eight".