343540651099 has 2 divisors, whose sum is σ = 343540651100. Its totient is φ = 343540651098.

The previous prime is 343540651067. The next prime is 343540651147. The reversal of 343540651099 is 990156045343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343540651099 - 2⁵ = 343540651067 is a prime.

It is not a weakly prime, because it can be changed into another prime (343540651199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171770325549 + 171770325550.

It is an arithmetic number, because the mean of its divisors is an integer number (171770325550).

Almost surely, 2^343540651099 is an apocalyptic number.

343540651099 is a deficient number, since it is larger than the sum of its proper divisors (1).

343540651099 is an equidigital number, since it uses as much as digits as its factorization.

343540651099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 343540651099 in words is "three hundred forty-three billion, five hundred forty million, six hundred fifty-one thousand, ninety-nine".