6511142342 has 4 divisors (see below), whose sum is σ = 9766713516. Its totient is φ = 3255571170.

The previous prime is 6511142327. The next prime is 6511142371. The reversal of 6511142342 is 2432411156.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1627785584 + ... + 1627785587.

It is an arithmetic number, because the mean of its divisors is an integer number (2441678379).

Almost surely, 2^6511142342 is an apocalyptic number.

6511142342 is a deficient number, since it is larger than the sum of its proper divisors (3255571174).

6511142342 is a wasteful number, since it uses less digits than its factorization.

6511142342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255571173.

The product of its digits is 5760, while the sum is 29.

The square root of 6511142342 is about 80691.6497662552. The cubic root of 6511142342 is about 1867.3213521121.

Adding to 6511142342 its reverse (2432411156), we get a palindrome (8943553498).

The spelling of 6511142342 in words is "six billion, five hundred eleven million, one hundred forty-two thousand, three hundred forty-two".