3443817929820 has 48 divisors (see below), whose sum is σ = 10061937607680. Its totient is φ = 878423123776.

The previous prime is 3443817929789. The next prime is 3443817929831. The reversal of 3443817929820 is 289297183443.

3443817929820 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 (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247758740 + ... + 1247761499.

It is an arithmetic number, because the mean of its divisors is an integer number (209623700160).

Almost surely, 2^{3443817929820} is an apocalyptic number.

3443817929820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3443817929820 is an abundant number, since it is smaller than the sum of its proper divisors (6618119677860).

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

3443817929820 is a wasteful number, since it uses less digits than its factorization.

3443817929820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495520274 (or 2495520272 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 3443817929820 in words is "three trillion, four hundred forty-three billion, eight hundred seventeen million, nine hundred twenty-nine thousand, eight hundred twenty".