2820479109 has 8 divisors (see below), whose sum is σ = 4297872960. Its totient is φ = 1611702336.

The previous prime is 2820479099. The next prime is 2820479131. The reversal of 2820479109 is 9019740282.

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

It is not a de Polignac number, because 2820479109 - 2⁹ = 2820478597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820477109) 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, 67154244 + ... + 67154285.

It is an arithmetic number, because the mean of its divisors is an integer number (537234120).

Almost surely, 2^2820479109 is an apocalyptic number.

It is an amenable number.

2820479109 is a deficient number, since it is larger than the sum of its proper divisors (1477393851).

2820479109 is a wasteful number, since it uses less digits than its factorization.

2820479109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134308539.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 2820479109 is about 53108.1830700317. The cubic root of 2820479109 is about 1412.8876503466.

The spelling of 2820479109 in words is "two billion, eight hundred twenty million, four hundred seventy-nine thousand, one hundred nine".