42860187619 has 4 divisors (see below), whose sum is σ = 45381375144. Its totient is φ = 40339000096.

The previous prime is 42860187583. The next prime is 42860187701. The reversal of 42860187619 is 91678106824.

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 42860187619 - 2⁹ = 42860187107 is a prime.

It is a super-2 number, since 2×42860187619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42860187319) 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, 1260593737 + ... + 1260593770.

It is an arithmetic number, because the mean of its divisors is an integer number (11345343786).

Almost surely, 2^42860187619 is an apocalyptic number.

42860187619 is a deficient number, since it is larger than the sum of its proper divisors (2521187525).

42860187619 is a wasteful number, since it uses less digits than its factorization.

42860187619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521187524.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 42860187619 in words is "forty-two billion, eight hundred sixty million, one hundred eighty-seven thousand, six hundred nineteen".