4849847661 has 8 divisors (see below), whose sum is σ = 6468076800. Its totient is φ = 3232425152.

The previous prime is 4849847621. The next prime is 4849847663. The reversal of 4849847661 is 1667489484.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4849847661 - 2¹³ = 4849839469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4849847663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187485 + ... + 211778.

It is an arithmetic number, because the mean of its divisors is an integer number (808509600).

Almost surely, 2^4849847661 is an apocalyptic number.

It is an amenable number.

4849847661 is a deficient number, since it is larger than the sum of its proper divisors (1618229139).

4849847661 is a wasteful number, since it uses less digits than its factorization.

4849847661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403315.

The product of its digits is 9289728, while the sum is 57.

The square root of 4849847661 is about 69640.8476470527. The cubic root of 4849847661 is about 1692.6845585356.

The spelling of 4849847661 in words is "four billion, eight hundred forty-nine million, eight hundred forty-seven thousand, six hundred sixty-one".