3645055761 has 32 divisors (see below), whose sum is σ = 5022767232. Its totient is φ = 2350233600.

The previous prime is 3645055753. The next prime is 3645055769. The reversal of 3645055761 is 1675505463.

It is an interprime number because it is at equal distance from previous prime (3645055753) and next prime (3645055769).

It is not a de Polignac number, because 3645055761 - 2³ = 3645055753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3645055769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5668506 + ... + 5669148.

It is an arithmetic number, because the mean of its divisors is an integer number (156961476).

Almost surely, 2^3645055761 is an apocalyptic number.

It is an amenable number.

3645055761 is a deficient number, since it is larger than the sum of its proper divisors (1377711471).

3645055761 is a wasteful number, since it uses less digits than its factorization.

3645055761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 3645055761 is about 60374.2971884559. The cubic root of 3645055761 is about 1538.9861997031.

The spelling of 3645055761 in words is "three billion, six hundred forty-five million, fifty-five thousand, seven hundred sixty-one".