3397408700621 has 8 divisors (see below), whose sum is σ = 3664716433560. Its totient is φ = 3130953625152.

The previous prime is 3397408700603. The next prime is 3397408700639. The reversal of 3397408700621 is 1260078047933.

3397408700621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3397408700603) and next prime (3397408700639).

It can be written as a sum of positive squares in 4 ways, for example, as 45162625225 + 3352246075396 = 212515^2 + 1830914^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3397408700621 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3397408700621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3397408760621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213156086 + ... + 213172023.

It is an arithmetic number, because the mean of its divisors is an integer number (458089554195).

Almost surely, 2^{3397408700621} is an apocalyptic number.

It is an amenable number.

3397408700621 is a deficient number, since it is larger than the sum of its proper divisors (267307732939).

3397408700621 is a wasteful number, since it uses less digits than its factorization.

3397408700621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426328735.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 3397408700621 in words is "three trillion, three hundred ninety-seven billion, four hundred eight million, seven hundred thousand, six hundred twenty-one".