343677380029 has 2 divisors, whose sum is σ = 343677380030. Its totient is φ = 343677380028.

The previous prime is 343677379943. The next prime is 343677380047. The reversal of 343677380029 is 920083776343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250955912025 + 92721468004 = 500955^2 + 304502^2 .

It is a cyclic number.

It is not a de Polignac number, because 343677380029 - 2⁹ = 343677379517 is a prime.

It is a super-2 number, since 2×343677380029² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343677380099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171838690014 + 171838690015.

It is an arithmetic number, because the mean of its divisors is an integer number (171838690015).

Almost surely, 2^343677380029 is an apocalyptic number.

It is an amenable number.

343677380029 is a deficient number, since it is larger than the sum of its proper divisors (1).

343677380029 is an equidigital number, since it uses as much as digits as its factorization.

343677380029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 343677380029 in words is "three hundred forty-three billion, six hundred seventy-seven million, three hundred eighty thousand, twenty-nine".