42058679251 has 4 divisors (see below), whose sum is σ = 42089313312. Its totient is φ = 42028045192.

The previous prime is 42058679237. The next prime is 42058679261. The reversal of 42058679251 is 15297685024.

42058679251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42058679251 - 2¹¹ = 42058677203 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42058679195 and 42058679204.

It is not an unprimeable number, because it can be changed into a prime (42058679231) 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, 15314971 + ... + 15317716.

It is an arithmetic number, because the mean of its divisors is an integer number (10522328328).

Almost surely, 2^42058679251 is an apocalyptic number.

42058679251 is a deficient number, since it is larger than the sum of its proper divisors (30634061).

42058679251 is a wasteful number, since it uses less digits than its factorization.

42058679251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30634060.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 42058679251 in words is "forty-two billion, fifty-eight million, six hundred seventy-nine thousand, two hundred fifty-one".