6950993509 has 4 divisors (see below), whose sum is σ = 6954561900. Its totient is φ = 6947425120.

The previous prime is 6950993477. The next prime is 6950993549. The reversal of 6950993509 is 9053990596.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6248902500 + 702091009 = 79050^2 + 26497^2 .

It is a cyclic number.

It is not a de Polignac number, because 6950993509 - 2⁵ = 6950993477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6950993509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6950993549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1781272 + ... + 1785169.

It is an arithmetic number, because the mean of its divisors is an integer number (1738640475).

Almost surely, 2^6950993509 is an apocalyptic number.

It is an amenable number.

6950993509 is a deficient number, since it is larger than the sum of its proper divisors (3568391).

6950993509 is a wasteful number, since it uses less digits than its factorization.

6950993509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568390.

The product of its (nonzero) digits is 2952450, while the sum is 55.

The square root of 6950993509 is about 83372.6184607393. The cubic root of 6950993509 is about 1908.4566270859.

The spelling of 6950993509 in words is "six billion, nine hundred fifty million, nine hundred ninety-three thousand, five hundred nine".