3964721828650 has 24 divisors (see below), whose sum is σ = 8044781020704. Its totient is φ = 1441717028400.

The previous prime is 3964721828633. The next prime is 3964721828699. The reversal of 3964721828650 is 568281274693.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3604292022 + ... + 3604293121.

It is an arithmetic number, because the mean of its divisors is an integer number (335199209196).

It is a 1-persistent number, because it is pandigital, but 2⋅3964721828650 = 7929443657300 is not.

Almost surely, 2^{3964721828650} is an apocalyptic number.

3964721828650 is an abundant number, since it is smaller than the sum of its proper divisors (4080059192054).

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

3964721828650 is a wasteful number, since it uses less digits than its factorization.

3964721828650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7208585166 (or 7208585161 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 3964721828650 in words is "three trillion, nine hundred sixty-four billion, seven hundred twenty-one million, eight hundred twenty-eight thousand, six hundred fifty".