3649144326 has 16 divisors (see below), whose sum is σ = 7301910000. Its totient is φ = 1215777888.

The previous prime is 3649144321. The next prime is 3649144339. The reversal of 3649144326 is 6234419463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649144321) 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, 137701 + ... + 162048.

It is an arithmetic number, because the mean of its divisors is an integer number (456369375).

Almost surely, 2^3649144326 is an apocalyptic number.

3649144326 is an abundant number, since it is smaller than the sum of its proper divisors (3652765674).

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

3649144326 is a wasteful number, since it uses less digits than its factorization.

3649144326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301783.

The product of its digits is 373248, while the sum is 42.

The square root of 3649144326 is about 60408.1478444754. The cubic root of 3649144326 is about 1539.5613983989.

The spelling of 3649144326 in words is "three billion, six hundred forty-nine million, one hundred forty-four thousand, three hundred twenty-six".