2106475390 has 8 divisors (see below), whose sum is σ = 3791655720. Its totient is φ = 842590152.

The previous prime is 2106475381. The next prime is 2106475391. The reversal of 2106475390 is 935746012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106475391) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 105323760 + ... + 105323779.

It is an arithmetic number, because the mean of its divisors is an integer number (473956965).

Almost surely, 2^2106475390 is an apocalyptic number.

2106475390 is a deficient number, since it is larger than the sum of its proper divisors (1685180330).

2106475390 is a wasteful number, since it uses less digits than its factorization.

2106475390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210647546.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2106475390 is about 45896.3548661547. The cubic root of 2106475390 is about 1281.8940445092.

The spelling of 2106475390 in words is "two billion, one hundred six million, four hundred seventy-five thousand, three hundred ninety".