43653354554 has 4 divisors (see below), whose sum is σ = 65480031834. Its totient is φ = 21826677276.

The previous prime is 43653354553. The next prime is 43653354559. The reversal of 43653354554 is 45545335634.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45545335634 = 2 ⋅22772667817.

It can be written as a sum of positive squares in only one way, i.e., 42355698025 + 1297656529 = 205805^2 + 36023^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43653354499 and 43653354508.

It is not an unprimeable number, because it can be changed into a prime (43653354553) 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 as a sum of consecutive naturals, namely, 10913338637 + ... + 10913338640.

Almost surely, 2^43653354554 is an apocalyptic number.

43653354554 is a deficient number, since it is larger than the sum of its proper divisors (21826677280).

43653354554 is a wasteful number, since it uses less digits than its factorization.

43653354554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21826677279.

The product of its digits is 6480000, while the sum is 47.

The spelling of 43653354554 in words is "forty-three billion, six hundred fifty-three million, three hundred fifty-four thousand, five hundred fifty-four".