3448537638 has 32 divisors (see below), whose sum is σ = 8488709376. Its totient is φ = 909504288.

The previous prime is 3448537633. The next prime is 3448537649. The reversal of 3448537638 is 8367358443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3448537633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3157456 + ... + 3158547.

It is an arithmetic number, because the mean of its divisors is an integer number (265272168).

Almost surely, 2^3448537638 is an apocalyptic number.

3448537638 is an abundant number, since it is smaller than the sum of its proper divisors (5040171738).

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

3448537638 is a wasteful number, since it uses less digits than its factorization.

3448537638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316028.

The product of its digits is 5806080, while the sum is 51.

The square root of 3448537638 is about 58724.2508509049. The cubic root of 3448537638 is about 1510.8162827709.

The spelling of 3448537638 in words is "three billion, four hundred forty-eight million, five hundred thirty-seven thousand, six hundred thirty-eight".