43449867461 has 24 divisors (see below), whose sum is σ = 59380048224. Its totient is φ = 31252646880.

The previous prime is 43449867431. The next prime is 43449867467. The reversal of 43449867461 is 16476894434.

It is not a de Polignac number, because 43449867461 - 2¹⁴ = 43449851077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43449867397 and 43449867406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43449867467) 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 in 23 ways as a sum of consecutive naturals, for example, 3093455 + ... + 3107468.

It is an arithmetic number, because the mean of its divisors is an integer number (2474168676).

Almost surely, 2^43449867461 is an apocalyptic number.

It is an amenable number.

43449867461 is a deficient number, since it is larger than the sum of its proper divisors (15930180763).

43449867461 is a wasteful number, since it uses less digits than its factorization.

43449867461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200961 (or 6200954 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 56.

The spelling of 43449867461 in words is "forty-three billion, four hundred forty-nine million, eight hundred sixty-seven thousand, four hundred sixty-one".