355440784969 has 8 divisors (see below), whose sum is σ = 361018270080. Its totient is φ = 349879168800.

The previous prime is 355440784949. The next prime is 355440785009. The reversal of 355440784969 is 969487044553.

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 355440784969 - 2¹⁵ = 355440752201 is a prime.

It is a super-2 number, since 2×355440784969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 355440784969.

It is not an unprimeable number, because it can be changed into a prime (355440784949) 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, 3922084 + ... + 4011685.

It is an arithmetic number, because the mean of its divisors is an integer number (45127283760).

Almost surely, 2^355440784969 is an apocalyptic number.

It is an amenable number.

355440784969 is a deficient number, since it is larger than the sum of its proper divisors (5577485111).

355440784969 is an equidigital number, since it uses as much as digits as its factorization.

355440784969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7934471.

The product of its (nonzero) digits is 130636800, while the sum is 64.

The spelling of 355440784969 in words is "three hundred fifty-five billion, four hundred forty million, seven hundred eighty-four thousand, nine hundred sixty-nine".