3669747925 has 24 divisors (see below), whose sum is σ = 4930238016. Its totient is φ = 2698832640.

The previous prime is 3669747883. The next prime is 3669747929. The reversal of 3669747925 is 5297479663.

It is a happy number.

It is not a de Polignac number, because 3669747925 - 2⁷ = 3669747797 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 3669747925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669747929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82129 + ... + 118678.

It is an arithmetic number, because the mean of its divisors is an integer number (205426584).

Almost surely, 2^3669747925 is an apocalyptic number.

It is an amenable number.

3669747925 is a deficient number, since it is larger than the sum of its proper divisors (1260490091).

3669747925 is a wasteful number, since it uses less digits than its factorization.

3669747925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200877 (or 200872 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 58.

The square root of 3669747925 is about 60578.4443923744. Note that the first 3 decimals coincide. The cubic root of 3669747925 is about 1542.4534912562.

The spelling of 3669747925 in words is "three billion, six hundred sixty-nine million, seven hundred forty-seven thousand, nine hundred twenty-five".