3728653651 has 16 divisors (see below), whose sum is σ = 4039624960. Its totient is φ = 3429565920.

The previous prime is 3728653637. The next prime is 3728653661. The reversal of 3728653651 is 1563568273.

It is a cyclic number.

It is not a de Polignac number, because 3728653651 - 2¹⁷ = 3728522579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3728653661) 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, 336916 + ... + 347806.

It is an arithmetic number, because the mean of its divisors is an integer number (252476560).

Almost surely, 2^3728653651 is an apocalyptic number.

3728653651 is a deficient number, since it is larger than the sum of its proper divisors (310971309).

3728653651 is a wasteful number, since it uses less digits than its factorization.

3728653651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11434.

The product of its digits is 907200, while the sum is 46.

The square root of 3728653651 is about 61062.7026178829. The cubic root of 3728653651 is about 1550.6627274912.

The spelling of 3728653651 in words is "three billion, seven hundred twenty-eight million, six hundred fifty-three thousand, six hundred fifty-one".