3667425549 has 4 divisors (see below), whose sum is σ = 4889900736. Its totient is φ = 2444950364.

The previous prime is 3667425547. The next prime is 3667425649. The reversal of 3667425549 is 9455247663.

3667425549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3667425549 - 2¹ = 3667425547 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3667425547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611237589 + ... + 611237594.

It is an arithmetic number, because the mean of its divisors is an integer number (1222475184).

Almost surely, 2^3667425549 is an apocalyptic number.

It is an amenable number.

3667425549 is a deficient number, since it is larger than the sum of its proper divisors (1222475187).

3667425549 is a wasteful number, since it uses less digits than its factorization.

3667425549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222475186.

The product of its digits is 5443200, while the sum is 51.

The square root of 3667425549 is about 60559.2730223869. The cubic root of 3667425549 is about 1542.1280453894.

The spelling of 3667425549 in words is "three billion, six hundred sixty-seven million, four hundred twenty-five thousand, five hundred forty-nine".