2101454043 has 8 divisors (see below), whose sum is σ = 3017472528. Its totient is φ = 1293202464.

The previous prime is 2101453973. The next prime is 2101454063. The reversal of 2101454043 is 3404541012.

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

It is not a de Polignac number, because 2101454043 - 2¹⁴ = 2101437659 is a prime.

It is a super-2 number, since 2×2101454043² = 8832218189682091698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101454063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26941680 + ... + 26941757.

It is an arithmetic number, because the mean of its divisors is an integer number (377184066).

Almost surely, 2^2101454043 is an apocalyptic number.

2101454043 is a deficient number, since it is larger than the sum of its proper divisors (916018485).

2101454043 is a wasteful number, since it uses less digits than its factorization.

2101454043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53883453.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2101454043 is about 45841.6191140758. The cubic root of 2101454043 is about 1280.8746550798.

Adding to 2101454043 its reverse (3404541012), we get a palindrome (5505995055).

It can be divided in two parts, 21014 and 54043, that added together give a palindrome (75057).

The spelling of 2101454043 in words is "two billion, one hundred one million, four hundred fifty-four thousand, forty-three".