3518742876872 has 8 divisors (see below), whose sum is σ = 6597642894150. Its totient is φ = 1759371438432.

The previous prime is 3518742876851. The next prime is 3518742876931. The reversal of 3518742876872 is 2786782478153.

It can be written as a sum of positive squares in only one way, i.e., 3341927672836 + 176815204036 = 1828094^2 + 420494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219921429797 + ... + 219921429812.

Almost surely, 2^{3518742876872} is an apocalyptic number.

It is an amenable number.

3518742876872 is a deficient number, since it is larger than the sum of its proper divisors (3078900017278).

3518742876872 is a wasteful number, since it uses less digits than its factorization.

3518742876872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439842859615 (or 439842859611 counting only the distinct ones).

The product of its digits is 252887040, while the sum is 68.

The spelling of 3518742876872 in words is "three trillion, five hundred eighteen billion, seven hundred forty-two million, eight hundred seventy-six thousand, eight hundred seventy-two".