2078652489 has 8 divisors (see below), whose sum is σ = 2846443200. Its totient is φ = 1348315056.

The previous prime is 2078652487. The next prime is 2078652493. The reversal of 2078652489 is 9842568702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2078652489 - 2¹ = 2078652487 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2078652487) 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, 9363189 + ... + 9363410.

It is an arithmetic number, because the mean of its divisors is an integer number (355805400).

Almost surely, 2^2078652489 is an apocalyptic number.

It is an amenable number.

2078652489 is a deficient number, since it is larger than the sum of its proper divisors (767790711).

2078652489 is a wasteful number, since it uses less digits than its factorization.

2078652489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18726639.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 2078652489 is about 45592.2415439294. The cubic root of 2078652489 is about 1276.2251433402.

The spelling of 2078652489 in words is "two billion, seventy-eight million, six hundred fifty-two thousand, four hundred eighty-nine".