3649367285 has 8 divisors (see below), whose sum is σ = 4402169856. Its totient is φ = 2904207760.

The previous prime is 3649367251. The next prime is 3649367287. The reversal of 3649367285 is 5827639463.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3649367285 - 2¹² = 3649363189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649367287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1909709 + ... + 1911618.

It is an arithmetic number, because the mean of its divisors is an integer number (550271232).

Almost surely, 2^3649367285 is an apocalyptic number.

It is an amenable number.

3649367285 is a deficient number, since it is larger than the sum of its proper divisors (752802571).

3649367285 is a wasteful number, since it uses less digits than its factorization.

3649367285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821523.

The product of its digits is 6531840, while the sum is 53.

The square root of 3649367285 is about 60409.9932544277. The cubic root of 3649367285 is about 1539.5927529713.

The spelling of 3649367285 in words is "three billion, six hundred forty-nine million, three hundred sixty-seven thousand, two hundred eighty-five".