3309372961812 has 96 divisors (see below), whose sum is σ = 8893793865600. Its totient is φ = 1062915840000.

The previous prime is 3309372961799. The next prime is 3309372961837. The reversal of 3309372961812 is 2181692739033.

3309372961812 is a `hidden beast` number, since 3 + 3 + 0 + 9 + 3 + 7 + 2 + 9 + 618 + 12 = 666.

3309372961812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461812 + ... + 2613812.

It is an arithmetic number, because the mean of its divisors is an integer number (92643686100).

Almost surely, 2^{3309372961812} 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 3309372961812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4446896932800).

3309372961812 is an abundant number, since it is smaller than the sum of its proper divisors (5584420903788).

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

3309372961812 is a wasteful number, since it uses less digits than its factorization.

3309372961812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152534 (or 2152526 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 3309372961812 in words is "three trillion, three hundred nine billion, three hundred seventy-two million, nine hundred sixty-one thousand, eight hundred twelve".