6990345434 has 8 divisors (see below), whose sum is σ = 10823760768. Its totient is φ = 3382425180.

The previous prime is 6990345419. The next prime is 6990345451. The reversal of 6990345434 is 4345430996.

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

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, 56373692 + ... + 56373815.

It is an arithmetic number, because the mean of its divisors is an integer number (1352970096).

Almost surely, 2^6990345434 is an apocalyptic number.

6990345434 is a deficient number, since it is larger than the sum of its proper divisors (3833415334).

6990345434 is a wasteful number, since it uses less digits than its factorization.

6990345434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112747540.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The square root of 6990345434 is about 83608.2856779159. The cubic root of 6990345434 is about 1912.0513247910.

The spelling of 6990345434 in words is "six billion, nine hundred ninety million, three hundred forty-five thousand, four hundred thirty-four".