2648861061 has 64 divisors (see below), whose sum is σ = 4638720000. Its totient is φ = 1331467200.

The previous prime is 2648861057. The next prime is 2648861063. The reversal of 2648861061 is 1601688462.

2648861061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2648861061 - 2² = 2648861057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648861063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 347115 + ... + 354663.

It is an arithmetic number, because the mean of its divisors is an integer number (72480000).

Almost surely, 2^2648861061 is an apocalyptic number.

2648861061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2648861061 is a deficient number, since it is larger than the sum of its proper divisors (1989858939).

2648861061 is a wasteful number, since it uses less digits than its factorization.

2648861061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615 (or 7601 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2648861061 is about 51467.0871625741. The cubic root of 2648861061 is about 1383.6292242781.

The spelling of 2648861061 in words is "two billion, six hundred forty-eight million, eight hundred sixty-one thousand, sixty-one".