3913557312 has 112 divisors (see below), whose sum is σ = 12057351552. Its totient is φ = 1097041920.

The previous prime is 3913557287. The next prime is 3913557353. The reversal of 3913557312 is 2137553193.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43762 + ... + 98702.

Almost surely, 2^3913557312 is an apocalyptic number.

3913557312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3913557312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6028675776).

3913557312 is an abundant number, since it is smaller than the sum of its proper divisors (8143794240).

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

3913557312 is a wasteful number, since it uses less digits than its factorization.

3913557312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55016 (or 55006 counting only the distinct ones).

The product of its digits is 85050, while the sum is 39.

The square root of 3913557312 is about 62558.4311823754. The cubic root of 3913557312 is about 1575.8827418407.

The spelling of 3913557312 in words is "three billion, nine hundred thirteen million, five hundred fifty-seven thousand, three hundred twelve".