43211013542 has 12 divisors (see below), whose sum is σ = 68853536340. Its totient is φ = 20334594336.

The previous prime is 43211013541. The next prime is 43211013551. The reversal of 43211013542 is 24531011234.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43211013541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37379192 + ... + 37380347.

It is an arithmetic number, because the mean of its divisors is an integer number (5737794695).

Almost surely, 2^43211013542 is an apocalyptic number.

43211013542 is a deficient number, since it is larger than the sum of its proper divisors (25642522798).

43211013542 is a wasteful number, since it uses less digits than its factorization.

43211013542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74759575 (or 74759558 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 43211013542 its reverse (24531011234), we get a palindrome (67742024776).

The spelling of 43211013542 in words is "forty-three billion, two hundred eleven million, thirteen thousand, five hundred forty-two".