2100413505 has 8 divisors (see below), whose sum is σ = 3360661632. Its totient is φ = 1120220528.

The previous prime is 2100413489. The next prime is 2100413507. The reversal of 2100413505 is 5053140012.

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 2100413505 - 2⁴ = 2100413489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100413507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70013769 + ... + 70013798.

It is an arithmetic number, because the mean of its divisors is an integer number (420082704).

Almost surely, 2^2100413505 is an apocalyptic number.

It is an amenable number.

2100413505 is a deficient number, since it is larger than the sum of its proper divisors (1260248127).

2100413505 is a wasteful number, since it uses less digits than its factorization.

2100413505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140027575.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2100413505 is about 45830.2684369184. The cubic root of 2100413505 is about 1280.6632111995.

Adding to 2100413505 its reverse (5053140012), we get a palindrome (7153553517).

The spelling of 2100413505 in words is "two billion, one hundred million, four hundred thirteen thousand, five hundred five".