5643428051742 has 32 divisors (see below), whose sum is σ = 12169325743008. Its totient is φ = 1734403694976.

The previous prime is 5643428051693. The next prime is 5643428051747. The reversal of 5643428051742 is 2471508243465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643428051747) 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, 42343573 + ... + 42476640.

It is an arithmetic number, because the mean of its divisors is an integer number (380291429469).

Almost surely, 2^{5643428051742} is an apocalyptic number.

5643428051742 is an abundant number, since it is smaller than the sum of its proper divisors (6525897691266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5643428051742 is a wasteful number, since it uses less digits than its factorization.

5643428051742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84821084.

The product of its (nonzero) digits is 6451200, while the sum is 51.

The spelling of 5643428051742 in words is "five trillion, six hundred forty-three billion, four hundred twenty-eight million, fifty-one thousand, seven hundred forty-two".