42147877973 has 16 divisors (see below), whose sum is σ = 44608334400. Its totient is φ = 39712187520.

The previous prime is 42147877949. The next prime is 42147877979. The reversal of 42147877973 is 37977874124.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42147877973 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42147877979) 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, 2901713 + ... + 2916201.

It is an arithmetic number, because the mean of its divisors is an integer number (2788020900).

Almost surely, 2^42147877973 is an apocalyptic number.

It is an amenable number.

42147877973 is a deficient number, since it is larger than the sum of its proper divisors (2460456427).

42147877973 is a wasteful number, since it uses less digits than its factorization.

42147877973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15332.

The product of its digits is 16595712, while the sum is 59.

The spelling of 42147877973 in words is "forty-two billion, one hundred forty-seven million, eight hundred seventy-seven thousand, nine hundred seventy-three".