4808451649 has 9 divisors (see below), whose sum is σ = 5109192547. Its totient is φ = 4524492064.

The previous prime is 4808451631. The next prime is 4808451653. The reversal of 4808451649 is 9461548084.

It is a happy number.

The square root of 4808451649 is 69343.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3743604225 + 1064847424 = 61185^2 + 32632^2 .

It is not a de Polignac number, because 4808451649 - 2⁵ = 4808451617 is a prime.

It is a super-3 number, since 3×4808451649³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4808451629) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1176792 + ... + 1180870.

Almost surely, 2^4808451649 is an apocalyptic number.

4808451649 is the 69343-rd square number.

4808451649 is the 34672-nd centered octagonal number.

It is an amenable number.

4808451649 is a deficient number, since it is larger than the sum of its proper divisors (300740898).

4808451649 is an frugal number, since it uses more digits than its factorization.

4808451649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8192 (or 4096 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The cubic root of 4808451649 is about 1687.8548052050.

Multiplying 4808451649 by its sum of digits (49), we get a square (235614130801 = 485401²).

The spelling of 4808451649 in words is "four billion, eight hundred eight million, four hundred fifty-one thousand, six hundred forty-nine".