2651005965828 has 48 divisors (see below), whose sum is σ = 6764120375040. Its totient is φ = 801417856800.

The previous prime is 2651005965823. The next prime is 2651005965847. The reversal of 2651005965828 is 8285695001562.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2651005965823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23910538 + ... + 24021153.

It is an arithmetic number, because the mean of its divisors is an integer number (140919174480).

Almost surely, 2^{2651005965828} is an apocalyptic number.

It is an amenable number.

2651005965828 is an abundant number, since it is smaller than the sum of its proper divisors (4113114409212).

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

2651005965828 is a wasteful number, since it uses less digits than its factorization.

2651005965828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47932128 (or 47932126 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 57.

The spelling of 2651005965828 in words is "two trillion, six hundred fifty-one billion, five million, nine hundred sixty-five thousand, eight hundred twenty-eight".