42687971703 has 64 divisors (see below), whose sum is σ = 72183484800. Its totient is φ = 24699893760.

The previous prime is 42687971671. The next prime is 42687971743. The reversal of 42687971703 is 30717978624.

42687971703 is a `hidden beast` number, since 426 + 87 + 9 + 71 + 70 + 3 = 666.

It is not a de Polignac number, because 42687971703 - 2⁵ = 42687971671 is a prime.

It is a super-3 number, since 3×42687971703³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 42687971703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42687971743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7330533 + ... + 7336353.

It is an arithmetic number, because the mean of its divisors is an integer number (1127866950).

Almost surely, 2^42687971703 is an apocalyptic number.

42687971703 is a deficient number, since it is larger than the sum of its proper divisors (29495513097).

42687971703 is a wasteful number, since it uses less digits than its factorization.

42687971703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7089 (or 7083 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 42687971703 in words is "forty-two billion, six hundred eighty-seven million, nine hundred seventy-one thousand, seven hundred three".