2651770770 has 64 divisors (see below), whose sum is σ = 6958089216. Its totient is φ = 641439680.

The previous prime is 2651770757. The next prime is 2651770813. The reversal of 2651770770 is 770771562.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 145507 + ... + 162713.

It is an arithmetic number, because the mean of its divisors is an integer number (108720144).

Almost surely, 2^2651770770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651770770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3479044608).

2651770770 is an abundant number, since it is smaller than the sum of its proper divisors (4306318446).

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

2651770770 is a wasteful number, since it uses less digits than its factorization.

2651770770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17695.

The product of its (nonzero) digits is 144060, while the sum is 42.

The square root of 2651770770 is about 51495.3470713617. The cubic root of 2651770770 is about 1384.1356664903.

The spelling of 2651770770 in words is "two billion, six hundred fifty-one million, seven hundred seventy thousand, seven hundred seventy".