6990742342 has 4 divisors (see below), whose sum is σ = 10486113516. Its totient is φ = 3495371170.

The previous prime is 6990742303. The next prime is 6990742403. The reversal of 6990742342 is 2432470996.

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 = 6990742292 and 6990742301.

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, 1747685584 + ... + 1747685587.

It is an arithmetic number, because the mean of its divisors is an integer number (2621528379).

Almost surely, 2^6990742342 is an apocalyptic number.

6990742342 is a deficient number, since it is larger than the sum of its proper divisors (3495371174).

6990742342 is a wasteful number, since it uses less digits than its factorization.

6990742342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495371173.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 6990742342 is about 83610.6592606469. The cubic root of 6990742342 is about 1912.0875125164.

The spelling of 6990742342 in words is "six billion, nine hundred ninety million, seven hundred forty-two thousand, three hundred forty-two".