4085002961 has 8 divisors (see below), whose sum is σ = 4399979304. Its totient is φ = 3770133120.

The previous prime is 4085002927. The next prime is 4085002973. The reversal of 4085002961 is 1692005804.

It can be written as a sum of positive squares in 4 ways, for example, as 193738561 + 3891264400 = 13919^2 + 62380^2 .

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

It is not a de Polignac number, because 4085002961 - 2¹⁸ = 4084740817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4085002861) 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, 64655 + ... + 111131.

It is an arithmetic number, because the mean of its divisors is an integer number (549997413).

Almost surely, 2^4085002961 is an apocalyptic number.

It is an amenable number.

4085002961 is a deficient number, since it is larger than the sum of its proper divisors (314976343).

4085002961 is a wasteful number, since it uses less digits than its factorization.

4085002961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53251.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 4085002961 is about 63914.0278890323. The cubic root of 4085002961 is about 1598.5668104934.

The spelling of 4085002961 in words is "four billion, eighty-five million, two thousand, nine hundred sixty-one".