43548707421 has 48 divisors (see below), whose sum is σ = 65035526400. Its totient is φ = 28065225600.

The previous prime is 43548707417. The next prime is 43548707429. The reversal of 43548707421 is 12470784534.

It is not a de Polignac number, because 43548707421 - 2² = 43548707417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43548707429) 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 47 ways as a sum of consecutive naturals, for example, 22343155 + ... + 22345103.

It is an arithmetic number, because the mean of its divisors is an integer number (1354906800).

Almost surely, 2^43548707421 is an apocalyptic number.

It is an amenable number.

43548707421 is a deficient number, since it is larger than the sum of its proper divisors (21486818979).

43548707421 is a wasteful number, since it uses less digits than its factorization.

43548707421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 43548707421 in words is "forty-three billion, five hundred forty-eight million, seven hundred seven thousand, four hundred twenty-one".