2648959851 has 4 divisors (see below), whose sum is σ = 3531946472. Its totient is φ = 1765973232.

The previous prime is 2648959843. The next prime is 2648959861. The reversal of 2648959851 is 1589598462.

It is a happy number.

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

It is not a de Polignac number, because 2648959851 - 2³ = 2648959843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2648959791 and 2648959800.

It is not an unprimeable number, because it can be changed into a prime (2648959861) 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, 441493306 + ... + 441493311.

It is an arithmetic number, because the mean of its divisors is an integer number (882986618).

Almost surely, 2^2648959851 is an apocalyptic number.

2648959851 is a deficient number, since it is larger than the sum of its proper divisors (882986621).

2648959851 is an equidigital number, since it uses as much as digits as its factorization.

2648959851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882986620.

The product of its digits is 6220800, while the sum is 57.

The square root of 2648959851 is about 51468.0468931938. The cubic root of 2648959851 is about 1383.6464250081.

The spelling of 2648959851 in words is "two billion, six hundred forty-eight million, nine hundred fifty-nine thousand, eight hundred fifty-one".