43542451006651 has 16 divisors (see below), whose sum is σ = 43617341738880. Its totient is φ = 43467650739520.

The previous prime is 43542451006499. The next prime is 43542451006657. The reversal of 43542451006651 is 15660015424534.

It is a cyclic number.

It is not a de Polignac number, because 43542451006651 - 2²¹ = 43542448909499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43542451006657) 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, 9282123216 + ... + 9282127906.

It is an arithmetic number, because the mean of its divisors is an integer number (2726083858680).

Almost surely, 2^{43542451006651} is an apocalyptic number.

43542451006651 is a deficient number, since it is larger than the sum of its proper divisors (74890732229).

43542451006651 is a wasteful number, since it uses less digits than its factorization.

43542451006651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11354.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 43542451006651 in words is "forty-three trillion, five hundred forty-two billion, four hundred fifty-one million, six thousand, six hundred fifty-one".