3951649152 has 160 divisors (see below), whose sum is σ = 12829509000. Its totient is φ = 1197434880.

The previous prime is 3951649111. The next prime is 3951649153. The reversal of 3951649152 is 2519461593.

It is a junction number, because it is equal to n+sod(n) for n = 3951649098 and 3951649107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3951649153) 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 19 ways as a sum of consecutive naturals, for example, 96724 + ... + 131372.

Almost surely, 2^3951649152 is an apocalyptic number.

3951649152 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 3951649152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6414754500).

3951649152 is an abundant number, since it is smaller than the sum of its proper divisors (8877859848).

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

3951649152 is a wasteful number, since it uses less digits than its factorization.

3951649152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34686 (or 34665 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 3951649152 is about 62862.1440296145. The cubic root of 3951649152 is about 1580.9790908519.

The spelling of 3951649152 in words is "three billion, nine hundred fifty-one million, six hundred forty-nine thousand, one hundred fifty-two".