6142987619 has 4 divisors (see below), whose sum is σ = 6179772144. Its totient is φ = 6106203096.

The previous prime is 6142987601. The next prime is 6142987709. The reversal of 6142987619 is 9167892416.

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 6142987619 - 2¹⁶ = 6142922083 is a prime.

It is a super-2 number, since 2×6142987619² = 75472593774374578322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6142987219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18392012 + ... + 18392345.

It is an arithmetic number, because the mean of its divisors is an integer number (1544943036).

Almost surely, 2^6142987619 is an apocalyptic number.

6142987619 is a deficient number, since it is larger than the sum of its proper divisors (36784525).

6142987619 is a wasteful number, since it uses less digits than its factorization.

6142987619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36784524.

The product of its digits is 1306368, while the sum is 53.

The square root of 6142987619 is about 78377.2136465695. The cubic root of 6142987619 is about 1831.4421847340.

The spelling of 6142987619 in words is "six billion, one hundred forty-two million, nine hundred eighty-seven thousand, six hundred nineteen".