3427246691 has 4 divisors (see below), whose sum is σ = 3738814584. Its totient is φ = 3115678800.

The previous prime is 3427246679. The next prime is 3427246723. The reversal of 3427246691 is 1966427243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3427246691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3427242691) 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, 155783930 + ... + 155783951.

It is an arithmetic number, because the mean of its divisors is an integer number (934703646).

Almost surely, 2^3427246691 is an apocalyptic number.

3427246691 is a deficient number, since it is larger than the sum of its proper divisors (311567893).

3427246691 is a wasteful number, since it uses less digits than its factorization.

3427246691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311567892.

The product of its digits is 435456, while the sum is 44.

The square root of 3427246691 is about 58542.6911834432. The cubic root of 3427246691 is about 1507.7006495314.

The spelling of 3427246691 in words is "three billion, four hundred twenty-seven million, two hundred forty-six thousand, six hundred ninety-one".