43473457449 has 6 divisors (see below), whose sum is σ = 62794994106. Its totient is φ = 28982304960.

The previous prime is 43473457427. The next prime is 43473457463. The reversal of 43473457449 is 94475437434.

It is a happy number.

43473457449 is a `hidden beast` number, since 4 + 34 + 7 + 34 + 574 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28914621849 + 14558835600 = 170043^2 + 120660^2 .

It is not a de Polignac number, because 43473457449 - 2⁸ = 43473457193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43473457395 and 43473457404.

It is not an unprimeable number, because it can be changed into a prime (43473457409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2415192072 + ... + 2415192089.

It is an arithmetic number, because the mean of its divisors is an integer number (10465832351).

Almost surely, 2^43473457449 is an apocalyptic number.

It is an amenable number.

43473457449 is a deficient number, since it is larger than the sum of its proper divisors (19321536657).

43473457449 is a wasteful number, since it uses less digits than its factorization.

43473457449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830384167 (or 4830384164 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 54.

The spelling of 43473457449 in words is "forty-three billion, four hundred seventy-three million, four hundred fifty-seven thousand, four hundred forty-nine".