2106451051 has 8 divisors (see below), whose sum is σ = 2146834800. Its totient is φ = 2066450400.

The previous prime is 2106451007. The next prime is 2106451063. The reversal of 2106451051 is 1501546012.

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 not a de Polignac number, because 2106451051 - 2⁷ = 2106450923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106451651) 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, 84661 + ... + 106678.

It is an arithmetic number, because the mean of its divisors is an integer number (268354350).

Almost surely, 2^2106451051 is an apocalyptic number.

2106451051 is a deficient number, since it is larger than the sum of its proper divisors (40383749).

2106451051 is a wasteful number, since it uses less digits than its factorization.

2106451051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191549.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 2106451051 is about 45896.0897136129. The cubic root of 2106451051 is about 1281.8891073300.

Adding to 2106451051 its reverse (1501546012), we get a palindrome (3607997063).

The spelling of 2106451051 in words is "two billion, one hundred six million, four hundred fifty-one thousand, fifty-one".