2043909407875 has 32 divisors (see below), whose sum is σ = 2577461867136. Its totient is φ = 1618081920000.

The previous prime is 2043909407857. The next prime is 2043909407921. The reversal of 2043909407875 is 5787049093402.

It is not a de Polignac number, because 2043909407875 - 2¹⁹ = 2043908883587 is a prime.

It is a super-2 number, since 2×2043909407875² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8798215 + ... + 9027535.

It is an arithmetic number, because the mean of its divisors is an integer number (80545683348).

Almost surely, 2^{2043909407875} is an apocalyptic number.

2043909407875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2043909407875 is a deficient number, since it is larger than the sum of its proper divisors (533552459261).

2043909407875 is a wasteful number, since it uses less digits than its factorization.

2043909407875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230080 (or 230070 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 2043909407875 in words is "two trillion, forty-three billion, nine hundred nine million, four hundred seven thousand, eight hundred seventy-five".