346214145247 has 4 divisors (see below), whose sum is σ = 346302672336. Its totient is φ = 346125618160.

The previous prime is 346214145203. The next prime is 346214145253. The reversal of 346214145247 is 742541412643.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 346214145247 - 2⁷ = 346214145119 is a prime.

It is a super-2 number, since 2×346214145247² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346214146247) 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 3 ways as a sum of consecutive naturals, for example, 44257678 + ... + 44265499.

It is an arithmetic number, because the mean of its divisors is an integer number (86575668084).

Almost surely, 2^346214145247 is an apocalyptic number.

346214145247 is a deficient number, since it is larger than the sum of its proper divisors (88527089).

346214145247 is an equidigital number, since it uses as much as digits as its factorization.

346214145247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88527088.

The product of its digits is 645120, while the sum is 43.

The spelling of 346214145247 in words is "three hundred forty-six billion, two hundred fourteen million, one hundred forty-five thousand, two hundred forty-seven".