43775836049 has 48 divisors (see below), whose sum is σ = 52089354240. Its totient is φ = 36641484000.

The previous prime is 43775836031. The next prime is 43775836067. The reversal of 43775836049 is 94063857734.

It is an interprime number because it is at equal distance from previous prime (43775836031) and next prime (43775836067).

It is not a de Polignac number, because 43775836049 - 2²⁸ = 43507400593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43775835985 and 43775836003.

It is not an unprimeable number, because it can be changed into a prime (43775836649) 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 47 ways as a sum of consecutive naturals, for example, 16314662 + ... + 16317344.

It is an arithmetic number, because the mean of its divisors is an integer number (1085194880).

Almost surely, 2^43775836049 is an apocalyptic number.

It is an amenable number.

43775836049 is a deficient number, since it is larger than the sum of its proper divisors (8313518191).

43775836049 is a wasteful number, since it uses less digits than its factorization.

43775836049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922 (or 2911 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 43775836049 in words is "forty-three billion, seven hundred seventy-five million, eight hundred thirty-six thousand, forty-nine".