6172395142 has 4 divisors (see below), whose sum is σ = 9258592716. Its totient is φ = 3086197570.

The previous prime is 6172395133. The next prime is 6172395149. The reversal of 6172395142 is 2415932716.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 6172395095 and 6172395104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6172395149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1543098784 + ... + 1543098787.

It is an arithmetic number, because the mean of its divisors is an integer number (2314648179).

Almost surely, 2^6172395142 is an apocalyptic number.

6172395142 is a deficient number, since it is larger than the sum of its proper divisors (3086197574).

6172395142 is a wasteful number, since it uses less digits than its factorization.

6172395142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086197573.

The product of its digits is 90720, while the sum is 40.

The square root of 6172395142 is about 78564.5921646641. The cubic root of 6172395142 is about 1834.3600083623.

The spelling of 6172395142 in words is "six billion, one hundred seventy-two million, three hundred ninety-five thousand, one hundred forty-two".