43321445406136 has 32 divisors (see below), whose sum is σ = 86021700945840. Its totient is φ = 20382795975168.

The previous prime is 43321445406121. The next prime is 43321445406139. The reversal of 43321445406136 is 63160454412334.

It is a super-3 number, since 3×43321445406136³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43321445406139) 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, 28687446 + ... + 30159781.

Almost surely, 2^{43321445406136} is an apocalyptic number.

It is an amenable number.

43321445406136 is a deficient number, since it is larger than the sum of its proper divisors (42700255539704).

43321445406136 is a wasteful number, since it uses less digits than its factorization.

43321445406136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58852663 (or 58852659 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 43321445406136 in words is "forty-three trillion, three hundred twenty-one billion, four hundred forty-five million, four hundred six thousand, one hundred thirty-six".