2089478372 has 6 divisors (see below), whose sum is σ = 3656587158. Its totient is φ = 1044739184.

The previous prime is 2089478371. The next prime is 2089478407. The reversal of 2089478372 is 2738749802.

It can be written as a sum of positive squares in only one way, i.e., 1388605696 + 700872676 = 37264^2 + 26474^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2089478372.

It is not an unprimeable number, because it can be changed into a prime (2089478371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261184793 + ... + 261184800.

It is an arithmetic number, because the mean of its divisors is an integer number (609431193).

Almost surely, 2^2089478372 is an apocalyptic number.

It is an amenable number.

2089478372 is a deficient number, since it is larger than the sum of its proper divisors (1567108786).

2089478372 is a wasteful number, since it uses less digits than its factorization.

2089478372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522369597 (or 522369595 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 2089478372 is about 45710.8124189453. The cubic root of 2089478372 is about 1278.4368883215.

The spelling of 2089478372 in words is "two billion, eighty-nine million, four hundred seventy-eight thousand, three hundred seventy-two".