2653670765 has 8 divisors (see below), whose sum is σ = 3185635608. Its totient is φ = 2122116160.

The previous prime is 2653670741. The next prime is 2653670783. The reversal of 2653670765 is 5670763562.

It can be written as a sum of positive squares in 4 ways, for example, as 771672841 + 1881997924 = 27779^2 + 43382^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2653670765 - 2¹⁰ = 2653669741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88142 + ... + 114351.

It is an arithmetic number, because the mean of its divisors is an integer number (398204451).

Almost surely, 2^2653670765 is an apocalyptic number.

It is an amenable number.

2653670765 is a deficient number, since it is larger than the sum of its proper divisors (531964843).

2653670765 is a wasteful number, since it uses less digits than its factorization.

2653670765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205119.

The product of its (nonzero) digits is 1587600, while the sum is 47.

The square root of 2653670765 is about 51513.7919881657. The cubic root of 2653670765 is about 1384.4661655199.

The spelling of 2653670765 in words is "two billion, six hundred fifty-three million, six hundred seventy thousand, seven hundred sixty-five".