6969706538 has 4 divisors (see below), whose sum is σ = 10454559810. Its totient is φ = 3484853268.

The previous prime is 6969706493. The next prime is 6969706553. The reversal of 6969706538 is 8356079696.

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

It can be written as a sum of positive squares in only one way, i.e., 6754702969 + 215003569 = 82187^2 + 14663^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1742426633 + ... + 1742426636.

Almost surely, 2^6969706538 is an apocalyptic number.

6969706538 is a deficient number, since it is larger than the sum of its proper divisors (3484853272).

6969706538 is a wasteful number, since it uses less digits than its factorization.

6969706538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484853271.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The square root of 6969706538 is about 83484.7682993730. The cubic root of 6969706538 is about 1910.1677016205.

The spelling of 6969706538 in words is "six billion, nine hundred sixty-nine million, seven hundred six thousand, five hundred thirty-eight".