2985370561 has 8 divisors (see below), whose sum is σ = 3212801064. Its totient is φ = 2763697920.

The previous prime is 2985370541. The next prime is 2985370571. The reversal of 2985370561 is 1650735892.

It can be written as a sum of positive squares in 4 ways, for example, as 684345600 + 2301024961 = 26160^2 + 47969^2 .

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 2985370561 - 2¹⁵ = 2985337793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2985370501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438390 + ... + 1440463.

It is an arithmetic number, because the mean of its divisors is an integer number (401600133).

Almost surely, 2^2985370561 is an apocalyptic number.

It is an amenable number.

2985370561 is a deficient number, since it is larger than the sum of its proper divisors (227430503).

2985370561 is a wasteful number, since it uses less digits than its factorization.

2985370561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878931.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 2985370561 is about 54638.5446456986. The cubic root of 2985370561 is about 1439.9013822960.

The spelling of 2985370561 in words is "two billion, nine hundred eighty-five million, three hundred seventy thousand, five hundred sixty-one".