42858915373 has 4 divisors (see below), whose sum is σ = 45380028060. Its totient is φ = 40337802688.

The previous prime is 42858915313. The next prime is 42858915389. The reversal of 42858915373 is 37351985824.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23483110564 + 19375804809 = 153242^2 + 139197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42858915373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42858915313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260556318 + ... + 1260556351.

It is an arithmetic number, because the mean of its divisors is an integer number (11345007015).

Almost surely, 2^42858915373 is an apocalyptic number.

It is an amenable number.

42858915373 is a deficient number, since it is larger than the sum of its proper divisors (2521112687).

42858915373 is a wasteful number, since it uses less digits than its factorization.

42858915373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521112686.

The product of its digits is 7257600, while the sum is 55.

The spelling of 42858915373 in words is "forty-two billion, eight hundred fifty-eight million, nine hundred fifteen thousand, three hundred seventy-three".