2805075953 has 8 divisors (see below), whose sum is σ = 2927485800. Its totient is φ = 2684378368.

The previous prime is 2805075913. The next prime is 2805075971. The reversal of 2805075953 is 3595705082.

It can be written as a sum of positive squares in 4 ways, for example, as 229310449 + 2575765504 = 15143^2 + 50752^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2805075953 - 2¹⁰ = 2805074929 is a prime.

It is a super-2 number, since 2×2805075953² = 15736902204197716418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2805075913) 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 7 ways as a sum of consecutive naturals, for example, 424718 + ... + 431271.

It is an arithmetic number, because the mean of its divisors is an integer number (365935725).

Almost surely, 2^2805075953 is an apocalyptic number.

It is an amenable number.

2805075953 is a deficient number, since it is larger than the sum of its proper divisors (122409847).

2805075953 is a wasteful number, since it uses less digits than its factorization.

2805075953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856131.

The product of its (nonzero) digits is 378000, while the sum is 44.

The square root of 2805075953 is about 52962.9677510617. The cubic root of 2805075953 is about 1410.3109407635.

The spelling of 2805075953 in words is "two billion, eight hundred five million, seventy-five thousand, nine hundred fifty-three".