3442199985 has 48 divisors (see below), whose sum is σ = 6823499904. Its totient is φ = 1572500736.

The previous prime is 3442199953. The next prime is 3442199993. The reversal of 3442199985 is 5899912443.

3442199985 is a `hidden beast` number, since 3 + 442 + 199 + 9 + 8 + 5 = 666.

It is not a de Polignac number, because 3442199985 - 2⁵ = 3442199953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 625054 + ... + 630536.

It is an arithmetic number, because the mean of its divisors is an integer number (142156248).

Almost surely, 2^3442199985 is an apocalyptic number.

3442199985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3442199985 is a deficient number, since it is larger than the sum of its proper divisors (3381299919).

3442199985 is a wasteful number, since it uses less digits than its factorization.

3442199985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494 (or 7491 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 3442199985 is about 58670.2649133273. The cubic root of 3442199985 is about 1509.8901993168.

The spelling of 3442199985 in words is "three billion, four hundred forty-two million, one hundred ninety-nine thousand, nine hundred eighty-five".