43350250421 has 16 divisors (see below), whose sum is σ = 45093155520. Its totient is φ = 41640635520.

The previous prime is 43350250399. The next prime is 43350250453. The reversal of 43350250421 is 12405205334.

It is a happy number.

43350250421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43350250421 - 2⁶ = 43350250357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43350240421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9988670 + ... + 9993008.

It is an arithmetic number, because the mean of its divisors is an integer number (2818322220).

Almost surely, 2^43350250421 is an apocalyptic number.

43350250421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

43350250421 is a deficient number, since it is larger than the sum of its proper divisors (1742905099).

43350250421 is a wasteful number, since it uses less digits than its factorization.

43350250421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 43350250421 its reverse (12405205334), we get a palindrome (55755455755).

The spelling of 43350250421 in words is "forty-three billion, three hundred fifty million, two hundred fifty thousand, four hundred twenty-one".