3447279549 has 24 divisors (see below), whose sum is σ = 5829550272. Its totient is φ = 1921826880.

The previous prime is 3447279463. The next prime is 3447279593. The reversal of 3447279549 is 9459727443.

3447279549 is a `hidden beast` number, since 34 + 47 + 27 + 9 + 549 = 666.

It is not a de Polignac number, because 3447279549 - 2¹³ = 3447271357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3447279495 and 3447279504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3447279449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 664719 + ... + 669884.

It is an arithmetic number, because the mean of its divisors is an integer number (242897928).

Almost surely, 2^3447279549 is an apocalyptic number.

It is an amenable number.

3447279549 is a deficient number, since it is larger than the sum of its proper divisors (2382270723).

3447279549 is a wasteful number, since it uses less digits than its factorization.

3447279549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334657 (or 1334654 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 3447279549 is about 58713.5380385137. The cubic root of 3447279549 is about 1510.6325360416.

The spelling of 3447279549 in words is "three billion, four hundred forty-seven million, two hundred seventy-nine thousand, five hundred forty-nine".