6146342987 has 4 divisors (see below), whose sum is σ = 6289281240. Its totient is φ = 6003404736.

The previous prime is 6146342977. The next prime is 6146342989. The reversal of 6146342987 is 7892436416.

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 6146342987 - 2⁴ = 6146342971 is a prime.

It is a super-2 number, since 2×6146342987² = 75555064227688164338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6146342989) 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, 71469062 + ... + 71469147.

It is an arithmetic number, because the mean of its divisors is an integer number (1572320310).

Almost surely, 2^6146342987 is an apocalyptic number.

6146342987 is a deficient number, since it is larger than the sum of its proper divisors (142938253).

6146342987 is a wasteful number, since it uses less digits than its factorization.

6146342987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142938252.

The product of its digits is 1741824, while the sum is 50.

The square root of 6146342987 is about 78398.6159763041. The cubic root of 6146342987 is about 1831.7755753884.

The spelling of 6146342987 in words is "six billion, one hundred forty-six million, three hundred forty-two thousand, nine hundred eighty-seven".