2051047648 has 24 divisors (see below), whose sum is σ = 4348616328. Its totient is φ = 946637184.

The previous prime is 2051047643. The next prime is 2051047657. The reversal of 2051047648 is 8467401502.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051047643) 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, 2464786 + ... + 2465617.

It is an arithmetic number, because the mean of its divisors is an integer number (181192347).

Almost surely, 2^2051047648 is an apocalyptic number.

It is an amenable number.

2051047648 is an abundant number, since it is smaller than the sum of its proper divisors (2297568680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051047648 is a wasteful number, since it uses less digits than its factorization.

2051047648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4930426 (or 4930418 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 2051047648 is about 45288.4935496865. The cubic root of 2051047648 is about 1270.5504564025.

The spelling of 2051047648 in words is "two billion, fifty-one million, forty-seven thousand, six hundred forty-eight".