3850695831520 has 192 divisors, whose sum is σ = 9473097070080. Its totient is φ = 1477376796672.

The previous prime is 3850695831509. The next prime is 3850695831527. The reversal of 3850695831520 is 251385960583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3850695831527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 512943607 + ... + 512951113.

It is an arithmetic number, because the mean of its divisors is an integer number (49339047240).

Almost surely, 2^{3850695831520} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3850695831520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4736548535040).

3850695831520 is an abundant number, since it is smaller than the sum of its proper divisors (5622401238560).

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

3850695831520 is a wasteful number, since it uses less digits than its factorization.

3850695831520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265 (or 8257 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 55.

The spelling of 3850695831520 in words is "three trillion, eight hundred fifty billion, six hundred ninety-five million, eight hundred thirty-one thousand, five hundred twenty".