6569142342 has 32 divisors (see below), whose sum is σ = 15334659072. Its totient is φ = 1836963264.

The previous prime is 6569142341. The next prime is 6569142353. The reversal of 6569142342 is 2432419656.

It is a super-2 number, since 2×6569142342² = 86307262218914489928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 6569142294 and 6569142303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6569142341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661943 + ... + 1665890.

It is an arithmetic number, because the mean of its divisors is an integer number (479208096).

Almost surely, 2^6569142342 is an apocalyptic number.

6569142342 is an abundant number, since it is smaller than the sum of its proper divisors (8765516730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6569142342 is a wasteful number, since it uses less digits than its factorization.

6569142342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327892.

The product of its digits is 311040, while the sum is 42.

The square root of 6569142342 is about 81050.2457861788. The cubic root of 6569142342 is about 1872.8495492246.

The spelling of 6569142342 in words is "six billion, five hundred sixty-nine million, one hundred forty-two thousand, three hundred forty-two".