2100625966 has 4 divisors (see below), whose sum is σ = 3150938952. Its totient is φ = 1050312982.

The previous prime is 2100625871. The next prime is 2100626057. The reversal of 2100625966 is 6695260012.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525156490 + ... + 525156493.

It is an arithmetic number, because the mean of its divisors is an integer number (787734738).

Almost surely, 2^2100625966 is an apocalyptic number.

2100625966 is a deficient number, since it is larger than the sum of its proper divisors (1050312986).

2100625966 is a wasteful number, since it uses less digits than its factorization.

2100625966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050312985.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 2100625966 is about 45832.5862896695. The cubic root of 2100625966 is about 1280.7063902866.

Adding to 2100625966 its reverse (6695260012), we get a palindrome (8795885978).

The spelling of 2100625966 in words is "two billion, one hundred million, six hundred twenty-five thousand, nine hundred sixty-six".