2106454605 has 8 divisors (see below), whose sum is σ = 3370327392. Its totient is φ = 1123442448.

The previous prime is 2106454591. The next prime is 2106454613. The reversal of 2106454605 is 5064546012.

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

It is not a de Polignac number, because 2106454605 - 2⁵ = 2106454573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70215139 + ... + 70215168.

It is an arithmetic number, because the mean of its divisors is an integer number (421290924).

Almost surely, 2^2106454605 is an apocalyptic number.

It is an amenable number.

2106454605 is a deficient number, since it is larger than the sum of its proper divisors (1263872787).

2106454605 is a wasteful number, since it uses less digits than its factorization.

2106454605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140430315.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2106454605 is about 45896.1284314919. The cubic root of 2106454605 is about 1281.8898282632.

The spelling of 2106454605 in words is "two billion, one hundred six million, four hundred fifty-four thousand, six hundred five".