43421545201 has 8 divisors (see below), whose sum is σ = 44028764640. Its totient is φ = 42816327552.

The previous prime is 43421545117. The next prime is 43421545213. The reversal of 43421545201 is 10254512434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43421545201 - 2⁷ = 43421545073 is a prime.

It is a super-2 number, since 2×43421545201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43421545241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456736 + ... + 543553.

It is an arithmetic number, because the mean of its divisors is an integer number (5503595580).

Almost surely, 2^43421545201 is an apocalyptic number.

It is an amenable number.

43421545201 is a deficient number, since it is larger than the sum of its proper divisors (607219439).

43421545201 is a wasteful number, since it uses less digits than its factorization.

43421545201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000895.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 43421545201 in words is "forty-three billion, four hundred twenty-one million, five hundred forty-five thousand, two hundred one".