2101458867 has 8 divisors (see below), whose sum is σ = 2806924224. Its totient is φ = 1398483048.

The previous prime is 2101458857. The next prime is 2101458869. The reversal of 2101458867 is 7688541012.

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

It is a de Polignac number, because none of the positive numbers 2^k-2101458867 is a prime.

It is a super-2 number, since 2×2101458867² = 8832258739385847378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101458869) 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, 620413 + ... + 623790.

It is an arithmetic number, because the mean of its divisors is an integer number (350865528).

Almost surely, 2^2101458867 is an apocalyptic number.

2101458867 is a deficient number, since it is larger than the sum of its proper divisors (705465357).

2101458867 is a wasteful number, since it uses less digits than its factorization.

2101458867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244769.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 2101458867 is about 45841.6717299882. The cubic root of 2101458867 is about 1280.8756351845.

Adding to 2101458867 its reverse (7688541012), we get a palindrome (9789999879).

The spelling of 2101458867 in words is "two billion, one hundred one million, four hundred fifty-eight thousand, eight hundred sixty-seven".