2100079405 has 8 divisors (see below), whose sum is σ = 2652732000. Its totient is φ = 1591639056.

The previous prime is 2100079379. The next prime is 2100079417. The reversal of 2100079405 is 5049700012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100079405 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11052955 + ... + 11053144.

It is an arithmetic number, because the mean of its divisors is an integer number (331591500).

Almost surely, 2^2100079405 is an apocalyptic number.

It is an amenable number.

2100079405 is a deficient number, since it is larger than the sum of its proper divisors (552652595).

2100079405 is a wasteful number, since it uses less digits than its factorization.

2100079405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22106123.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2100079405 is about 45826.6233209474. The cubic root of 2100079405 is about 1280.5953051632.

Adding to 2100079405 its reverse (5049700012), we get a palindrome (7149779417).

The spelling of 2100079405 in words is "two billion, one hundred million, seventy-nine thousand, four hundred five".