6398535142 has 8 divisors (see below), whose sum is σ = 9598311000. Its totient is φ = 3199098144.

The previous prime is 6398535139. The next prime is 6398535193. The reversal of 6398535142 is 2415358936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×6398535142⁴ (a number of 40 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6398535092 and 6398535101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30592 + ... + 117187.

It is an arithmetic number, because the mean of its divisors is an integer number (1199788875).

Almost surely, 2^6398535142 is an apocalyptic number.

6398535142 is a deficient number, since it is larger than the sum of its proper divisors (3199775858).

6398535142 is a wasteful number, since it uses less digits than its factorization.

6398535142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169430.

The product of its digits is 777600, while the sum is 46.

The square root of 6398535142 is about 79990.8441135609. The cubic root of 6398535142 is about 1856.4938712087.

The spelling of 6398535142 in words is "six billion, three hundred ninety-eight million, five hundred thirty-five thousand, one hundred forty-two".