346809995994 has 192 divisors, whose sum is σ = 912529981440. Its totient is φ = 85849209600.

The previous prime is 346809995993. The next prime is 346809996019. The reversal of 346809995994 is 499599908643.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (346809995993) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32839687 + ... + 32850245.

It is an arithmetic number, because the mean of its divisors is an integer number (4752760320).

Almost surely, 2^346809995994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346809995994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456264990720).

346809995994 is an abundant number, since it is smaller than the sum of its proper divisors (565719985446).

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

346809995994 is a wasteful number, since it uses less digits than its factorization.

346809995994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10897 (or 10886 counting only the distinct ones).

The product of its (nonzero) digits is 680244480, while the sum is 75.

The spelling of 346809995994 in words is "three hundred forty-six billion, eight hundred nine million, nine hundred ninety-five thousand, nine hundred ninety-four".