6844994605 has 8 divisors (see below), whose sum is σ = 8224848792. Its totient is φ = 5468758848.

The previous prime is 6844994599. The next prime is 6844994617. The reversal of 6844994605 is 5064994486.

It can be written as a sum of positive squares in 4 ways, for example, as 2253305961 + 4591688644 = 47469^2 + 67762^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6844994605 is a prime.

It is a super-2 number, since 2×6844994605² = 93707902284958212050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900442 + ... + 908011.

It is an arithmetic number, because the mean of its divisors is an integer number (1028106099).

Almost surely, 2^6844994605 is an apocalyptic number.

It is an amenable number.

6844994605 is a deficient number, since it is larger than the sum of its proper divisors (1379854187).

6844994605 is a wasteful number, since it uses less digits than its factorization.

6844994605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809215.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The square root of 6844994605 is about 82734.4825631973. The cubic root of 6844994605 is about 1898.7059152014.

The spelling of 6844994605 in words is "six billion, eight hundred forty-four million, nine hundred ninety-four thousand, six hundred five".