6695243890 has 16 divisors (see below), whose sum is σ = 12255701760. Its totient is φ = 2632705840.

The previous prime is 6695243873. The next prime is 6695243923. The reversal of 6695243890 is 983425966.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5673346 + ... + 5674525.

It is an arithmetic number, because the mean of its divisors is an integer number (765981360).

Almost surely, 2^6695243890 is an apocalyptic number.

6695243890 is a deficient number, since it is larger than the sum of its proper divisors (5560457870).

6695243890 is a wasteful number, since it uses less digits than its factorization.

6695243890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11347937.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The square root of 6695243890 is about 81824.4699952282. The cubic root of 6695243890 is about 1884.7574440413.

The spelling of 6695243890 in words is "six billion, six hundred ninety-five million, two hundred forty-three thousand, eight hundred ninety".