42858015093 has 6 divisors (see below), whose sum is σ = 61906021814. Its totient is φ = 28572010056.

The previous prime is 42858015061. The next prime is 42858015097. The reversal of 42858015093 is 39051085824.

It can be written as a sum of positive squares in only one way, i.e., 42593529924 + 264485169 = 206382^2 + 16263^2 .

It is not a de Polignac number, because 42858015093 - 2⁵ = 42858015061 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 (42858015097) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2381000830 + ... + 2381000847.

Almost surely, 2^42858015093 is an apocalyptic number.

It is an amenable number.

42858015093 is a deficient number, since it is larger than the sum of its proper divisors (19048006721).

42858015093 is a wasteful number, since it uses less digits than its factorization.

42858015093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762001683 (or 4762001680 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 42858015093 in words is "forty-two billion, eight hundred fifty-eight million, fifteen thousand, ninety-three".