2869188948 has 18 divisors (see below), whose sum is σ = 7252672154. Its totient is φ = 956396304.

The previous prime is 2869188947. The next prime is 2869189049. The reversal of 2869188948 is 8498819682.

It can be written as a sum of positive squares in only one way, i.e., 2587553424 + 281635524 = 50868^2 + 16782^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2869188941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39849811 + ... + 39849882.

Almost surely, 2^2869188948 is an apocalyptic number.

It is an amenable number.

2869188948 is an abundant number, since it is smaller than the sum of its proper divisors (4383483206).

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

2869188948 is a wasteful number, since it uses less digits than its factorization.

2869188948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79699703 (or 79699698 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 63.

The square root of 2869188948 is about 53564.8107249526. The cubic root of 2869188948 is about 1420.9748229323.

The spelling of 2869188948 in words is "two billion, eight hundred sixty-nine million, one hundred eighty-eight thousand, nine hundred forty-eight".