3649459764 has 24 divisors (see below), whose sum is σ = 8518154400. Its totient is φ = 1216093984.

The previous prime is 3649459757. The next prime is 3649459771. The reversal of 3649459764 is 4679549463.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3649459757) and next prime (3649459771).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9039 + ... + 85910.

It is an arithmetic number, because the mean of its divisors is an integer number (354923100).

Almost surely, 2^3649459764 is an apocalyptic number.

It is an amenable number.

3649459764 is an abundant number, since it is smaller than the sum of its proper divisors (4868694636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3649459764 is a wasteful number, since it uses less digits than its factorization.

3649459764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98159 (or 98157 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 57.

The square root of 3649459764 is about 60410.7586775733. The cubic root of 3649459764 is about 1539.6057578553.

The spelling of 3649459764 in words is "three billion, six hundred forty-nine million, four hundred fifty-nine thousand, seven hundred sixty-four".