2108451958 has 16 divisors (see below), whose sum is σ = 3193223904. Its totient is φ = 1044086400.

The previous prime is 2108451953. The next prime is 2108451959. The reversal of 2108451958 is 8591548012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108451953) 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 7 ways as a sum of consecutive naturals, for example, 91416 + ... + 112132.

It is an arithmetic number, because the mean of its divisors is an integer number (199576494).

Almost surely, 2^2108451958 is an apocalyptic number.

2108451958 is a deficient number, since it is larger than the sum of its proper divisors (1084771946).

2108451958 is a wasteful number, since it uses less digits than its factorization.

2108451958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21207.

The product of its (nonzero) digits is 115200, while the sum is 43.

The square root of 2108451958 is about 45917.8827691347. The cubic root of 2108451958 is about 1282.2948655007.

The spelling of 2108451958 in words is "two billion, one hundred eight million, four hundred fifty-one thousand, nine hundred fifty-eight".