3651757745 has 4 divisors (see below), whose sum is σ = 4382109300. Its totient is φ = 2921406192.

The previous prime is 3651757729. The next prime is 3651757751. The reversal of 3651757745 is 5477571563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2105066161 + 1546691584 = 45881^2 + 39328^2 .

It is a cyclic number.

It is not a de Polignac number, because 3651757745 - 2⁴ = 3651757729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3651757693 and 3651757702.

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 3 ways as a sum of consecutive naturals, for example, 365175770 + ... + 365175779.

It is an arithmetic number, because the mean of its divisors is an integer number (1095527325).

Almost surely, 2^3651757745 is an apocalyptic number.

It is an amenable number.

3651757745 is a deficient number, since it is larger than the sum of its proper divisors (730351555).

3651757745 is an equidigital number, since it uses as much as digits as its factorization.

3651757745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730351554.

The product of its digits is 3087000, while the sum is 50.

The square root of 3651757745 is about 60429.7753181327. The cubic root of 3651757745 is about 1539.9288415144.

The spelling of 3651757745 in words is "three billion, six hundred fifty-one million, seven hundred fifty-seven thousand, seven hundred forty-five".