3651674825 has 12 divisors (see below), whose sum is σ = 4613513868. Its totient is φ = 2866219200.

The previous prime is 3651674813. The next prime is 3651674861. The reversal of 3651674825 is 5284761563.

It can be written as a sum of positive squares in 6 ways, for example, as 29560969 + 3622113856 = 5437^2 + 60184^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3651674825 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3651674825.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1376666 + ... + 1379315.

It is an arithmetic number, because the mean of its divisors is an integer number (384459489).

Almost surely, 2^3651674825 is an apocalyptic number.

It is an amenable number.

3651674825 is a deficient number, since it is larger than the sum of its proper divisors (961839043).

3651674825 is a wasteful number, since it uses less digits than its factorization.

3651674825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756044 (or 2756039 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The square root of 3651674825 is about 60429.0892286157. The cubic root of 3651674825 is about 1539.9171857699.

The spelling of 3651674825 in words is "three billion, six hundred fifty-one million, six hundred seventy-four thousand, eight hundred twenty-five".