6505003698 has 16 divisors (see below), whose sum is σ = 13286816640. Its totient is φ = 2122199696.

The previous prime is 6505003691. The next prime is 6505003721. The reversal of 6505003698 is 8963005056.

It is a super-2 number, since 2×6505003698² = 84630146221987350408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6505003691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11533413 + ... + 11533976.

It is an arithmetic number, because the mean of its divisors is an integer number (830426040).

Almost surely, 2^6505003698 is an apocalyptic number.

6505003698 is an abundant number, since it is smaller than the sum of its proper divisors (6781812942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6505003698 is a wasteful number, since it uses less digits than its factorization.

6505003698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23067441.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 6505003698 is about 80653.6031309203. The cubic root of 6505003698 is about 1866.7343365703.

The spelling of 6505003698 in words is "six billion, five hundred five million, three thousand, six hundred ninety-eight".