2208792389 has 4 divisors (see below), whose sum is σ = 2325044640. Its totient is φ = 2092540140.

The previous prime is 2208792379. The next prime is 2208792403. The reversal of 2208792389 is 9832978022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2208792389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208792349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58126097 + ... + 58126134.

It is an arithmetic number, because the mean of its divisors is an integer number (581261160).

Almost surely, 2^2208792389 is an apocalyptic number.

It is an amenable number.

2208792389 is a deficient number, since it is larger than the sum of its proper divisors (116252251).

2208792389 is a wasteful number, since it uses less digits than its factorization.

2208792389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116252250.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 2208792389 is about 46997.7913204440. The cubic root of 2208792389 is about 1302.3217659085.

The spelling of 2208792389 in words is "two billion, two hundred eight million, seven hundred ninety-two thousand, three hundred eighty-nine".