3646973690 has 32 divisors (see below), whose sum is σ = 6600956544. Its totient is φ = 1450722240.

The previous prime is 3646973669. The next prime is 3646973723. The reversal of 3646973690 is 963796463.

It is a super-2 number, since 2×3646973690² = 26600834191104432200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2012885 + ... + 2014695.

It is an arithmetic number, because the mean of its divisors is an integer number (206279892).

Almost surely, 2^3646973690 is an apocalyptic number.

3646973690 is a deficient number, since it is larger than the sum of its proper divisors (2953982854).

3646973690 is a wasteful number, since it uses less digits than its factorization.

3646973690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822.

The product of its (nonzero) digits is 4408992, while the sum is 53.

The square root of 3646973690 is about 60390.1787544962. The cubic root of 3646973690 is about 1539.2560765730.

The spelling of 3646973690 in words is "three billion, six hundred forty-six million, nine hundred seventy-three thousand, six hundred ninety".