3653863774 has 32 divisors (see below), whose sum is σ = 6050959200. Its totient is φ = 1640960640.

The previous prime is 3653863757. The next prime is 3653863777. The reversal of 3653863774 is 4773683563.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653863777) by changing a digit.

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, 930864 + ... + 934780.

It is an arithmetic number, because the mean of its divisors is an integer number (189092475).

Almost surely, 2^3653863774 is an apocalyptic number.

3653863774 is a deficient number, since it is larger than the sum of its proper divisors (2397095426).

3653863774 is a wasteful number, since it uses less digits than its factorization.

3653863774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428.

The product of its digits is 7620480, while the sum is 52.

The square root of 3653863774 is about 60447.1982311836. The cubic root of 3653863774 is about 1540.2248187550.

The spelling of 3653863774 in words is "three billion, six hundred fifty-three million, eight hundred sixty-three thousand, seven hundred seventy-four".