43764983361 has 48 divisors (see below), whose sum is σ = 70233696000. Its totient is φ = 26036817120.

The previous prime is 43764983357. The next prime is 43764983371. The reversal of 43764983361 is 16338946734.

It is a happy number.

43764983361 is a `hidden beast` number, since 437 + 64 + 98 + 3 + 3 + 61 = 666.

It is not a de Polignac number, because 43764983361 - 2² = 43764983357 is a prime.

It is a super-3 number, since 3×43764983361³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43764983298 and 43764983307.

It is not an unprimeable number, because it can be changed into a prime (43764983371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4311430 + ... + 4321568.

It is an arithmetic number, because the mean of its divisors is an integer number (1463202000).

Almost surely, 2^43764983361 is an apocalyptic number.

It is an amenable number.

43764983361 is a deficient number, since it is larger than the sum of its proper divisors (26468712639).

43764983361 is a wasteful number, since it uses less digits than its factorization.

43764983361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954 (or 10951 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 43764983361 in words is "forty-three billion, seven hundred sixty-four million, nine hundred eighty-three thousand, three hundred sixty-one".