6690093854 has 32 divisors (see below), whose sum is σ = 10473027840. Its totient is φ = 3202718400.

The previous prime is 6690093841. The next prime is 6690093859. The reversal of 6690093854 is 4583900966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690093859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089914 + ... + 1096034.

It is an arithmetic number, because the mean of its divisors is an integer number (327282120).

Almost surely, 2^6690093854 is an apocalyptic number.

6690093854 is a deficient number, since it is larger than the sum of its proper divisors (3782933986).

6690093854 is a wasteful number, since it uses less digits than its factorization.

6690093854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 6690093854 is about 81792.9939175722. The cubic root of 6690093854 is about 1884.2740631667.

The spelling of 6690093854 in words is "six billion, six hundred ninety million, ninety-three thousand, eight hundred fifty-four".