343403545551 has 96 divisors (see below), whose sum is σ = 537010435584. Its totient is φ = 194628403200.

The previous prime is 343403545547. The next prime is 343403545577. The reversal of 343403545551 is 155545304343.

It is a happy number.

It is not a de Polignac number, because 343403545551 - 2² = 343403545547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343403545451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 76633231 + ... + 76637711.

It is an arithmetic number, because the mean of its divisors is an integer number (5593858704).

Almost surely, 2^343403545551 is an apocalyptic number.

343403545551 is a deficient number, since it is larger than the sum of its proper divisors (193606890033).

343403545551 is a wasteful number, since it uses less digits than its factorization.

343403545551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733 (or 4722 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 343403545551 its reverse (155545304343), we get a palindrome (498948849894).

The spelling of 343403545551 in words is "three hundred forty-three billion, four hundred three million, five hundred forty-five thousand, five hundred fifty-one".