3685735490 has 24 divisors (see below), whose sum is σ = 7047539892. Its totient is φ = 1387569920.

The previous prime is 3685735477. The next prime is 3685735499. The reversal of 3685735490 is 945375863.

It can be written as a sum of positive squares in 6 ways, for example, as 2901007321 + 784728169 = 53861^2 + 28013^2 .

It is a super-2 number, since 2×3685735490² = 27169292204491080200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3685735499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634781 + ... + 640560.

Almost surely, 2^3685735490 is an apocalyptic number.

3685735490 is a deficient number, since it is larger than the sum of its proper divisors (3361804402).

3685735490 is a wasteful number, since it uses less digits than its factorization.

3685735490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275382 (or 1275365 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The square root of 3685735490 is about 60710.2585235807. The cubic root of 3685735490 is about 1544.6901889939.

The spelling of 3685735490 in words is "three billion, six hundred eighty-five million, seven hundred thirty-five thousand, four hundred ninety".