2100718045 has 8 divisors (see below), whose sum is σ = 2534945760. Its totient is φ = 1671185040.

The previous prime is 2100718027. The next prime is 2100718099. The reversal of 2100718045 is 5408170012.

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

It is not a de Polignac number, because 2100718045 - 2⁷ = 2100717917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172691 + ... + 1174480.

It is an arithmetic number, because the mean of its divisors is an integer number (316868220).

Almost surely, 2^2100718045 is an apocalyptic number.

It is an amenable number.

2100718045 is a deficient number, since it is larger than the sum of its proper divisors (434227715).

2100718045 is a wasteful number, since it uses less digits than its factorization.

2100718045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347355.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 2100718045 is about 45833.5907932163. The cubic root of 2100718045 is about 1280.7251028739.

Adding to 2100718045 its reverse (5408170012), we get a palindrome (7508888057).

The spelling of 2100718045 in words is "two billion, one hundred million, seven hundred eighteen thousand, forty-five".