343550673557 has 16 divisors (see below), whose sum is σ = 423027505152. Its totient is φ = 271694373120.

The previous prime is 343550673541. The next prime is 343550673569. The reversal of 343550673557 is 755376055343.

It is a cyclic number.

It is not a de Polignac number, because 343550673557 - 2⁴ = 343550673541 is a prime.

It is a super-3 number, since 3×343550673557³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343550673499 and 343550673508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343550670557) 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 15 ways as a sum of consecutive naturals, for example, 676853 + ... + 1070154.

It is an arithmetic number, because the mean of its divisors is an integer number (26439219072).

Almost surely, 2^343550673557 is an apocalyptic number.

It is an amenable number.

343550673557 is a deficient number, since it is larger than the sum of its proper divisors (79476831595).

343550673557 is a wasteful number, since it uses less digits than its factorization.

343550673557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749188.

The product of its (nonzero) digits is 19845000, while the sum is 53.

The spelling of 343550673557 in words is "three hundred forty-three billion, five hundred fifty million, six hundred seventy-three thousand, five hundred fifty-seven".