42597273542 has 4 divisors (see below), whose sum is σ = 63895910316. Its totient is φ = 21298636770.

The previous prime is 42597273479. The next prime is 42597273547. The reversal of 42597273542 is 24537279524.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42597273547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10649318384 + ... + 10649318387.

It is an arithmetic number, because the mean of its divisors is an integer number (15973977579).

Almost surely, 2^42597273542 is an apocalyptic number.

42597273542 is a deficient number, since it is larger than the sum of its proper divisors (21298636774).

42597273542 is a wasteful number, since it uses less digits than its factorization.

42597273542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21298636773.

The product of its digits is 4233600, while the sum is 50.

The spelling of 42597273542 in words is "forty-two billion, five hundred ninety-seven million, two hundred seventy-three thousand, five hundred forty-two".