2865893963 has 8 divisors (see below), whose sum is σ = 2921151168. Its totient is φ = 2810680704.

The previous prime is 2865893957. The next prime is 2865893977. The reversal of 2865893963 is 3693985682.

It is a happy number.

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 2865893963 - 2¹² = 2865889867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2865893263) 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, 140606 + ... + 159692.

It is an arithmetic number, because the mean of its divisors is an integer number (365143896).

Almost surely, 2^2865893963 is an apocalyptic number.

2865893963 is a deficient number, since it is larger than the sum of its proper divisors (55257205).

2865893963 is a wasteful number, since it uses less digits than its factorization.

2865893963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21973.

The product of its digits is 16796160, while the sum is 59.

The square root of 2865893963 is about 53534.0448966823. The cubic root of 2865893963 is about 1420.4306640236.

The spelling of 2865893963 in words is "two billion, eight hundred sixty-five million, eight hundred ninety-three thousand, nine hundred sixty-three".