42459317972 has 6 divisors (see below), whose sum is σ = 74303806458. Its totient is φ = 21229658984.

The previous prime is 42459317951. The next prime is 42459318007. The reversal of 42459317972 is 27971395424.

42459317972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34608649156 + 7850668816 = 186034^2 + 88604^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5307414743 + ... + 5307414750.

It is an arithmetic number, because the mean of its divisors is an integer number (12383967743).

Almost surely, 2^42459317972 is an apocalyptic number.

It is an amenable number.

42459317972 is a deficient number, since it is larger than the sum of its proper divisors (31844488486).

42459317972 is a wasteful number, since it uses less digits than its factorization.

42459317972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10614829497 (or 10614829495 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 53.

The spelling of 42459317972 in words is "forty-two billion, four hundred fifty-nine million, three hundred seventeen thousand, nine hundred seventy-two".