2891960802 has 12 divisors (see below), whose sum is σ = 6265915110. Its totient is φ = 963986928.

The previous prime is 2891960791. The next prime is 2891960803. The reversal of 2891960802 is 2080691982.

2891960802 is a `hidden beast` number, since 28 + 9 + 19 + 608 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1550863161 + 1341097641 = 39381^2 + 36621^2 .

It is not an unprimeable number, because it can be changed into a prime (2891960803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80332227 + ... + 80332262.

Almost surely, 2^2891960802 is an apocalyptic number.

2891960802 is an abundant number, since it is smaller than the sum of its proper divisors (3373954308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2891960802 is a wasteful number, since it uses less digits than its factorization.

2891960802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160664497 (or 160664494 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 2891960802 is about 53776.9541904337. The cubic root of 2891960802 is about 1424.7241985164.

The spelling of 2891960802 in words is "two billion, eight hundred ninety-one million, nine hundred sixty thousand, eight hundred two".