34320402346621 has 8 divisors (see below), whose sum is σ = 35328451516344. Its totient is φ = 33325704821760.

The previous prime is 34320402346597. The next prime is 34320402346631. The reversal of 34320402346621 is 12664320402343.

It can be written as a sum of positive squares in 4 ways, for example, as 2111031737721 + 32209370608900 = 1452939^2 + 5675330^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 34320402346621 - 2³¹ = 34318254862973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34320402346631) 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, 3337906000 + ... + 3337916281.

It is an arithmetic number, because the mean of its divisors is an integer number (4416056439543).

Almost surely, 2^{34320402346621} is an apocalyptic number.

It is an amenable number.

34320402346621 is a deficient number, since it is larger than the sum of its proper divisors (1008049169723).

34320402346621 is an equidigital number, since it uses as much as digits as its factorization.

34320402346621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675822431.

The product of its (nonzero) digits is 497664, while the sum is 40.

Adding to 34320402346621 its reverse (12664320402343), we get a palindrome (46984722748964).

The spelling of 34320402346621 in words is "thirty-four trillion, three hundred twenty billion, four hundred two million, three hundred forty-six thousand, six hundred twenty-one".