346973789647 has 2 divisors, whose sum is σ = 346973789648. Its totient is φ = 346973789646.

The previous prime is 346973789633. The next prime is 346973789737. The reversal of 346973789647 is 746987379643.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 346973789647 - 2¹⁵ = 346973756879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 346973789647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346973789047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173486894823 + 173486894824.

It is an arithmetic number, because the mean of its divisors is an integer number (173486894824).

Almost surely, 2^346973789647 is an apocalyptic number.

346973789647 is a deficient number, since it is larger than the sum of its proper divisors (1).

346973789647 is an equidigital number, since it uses as much as digits as its factorization.

346973789647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152216576, while the sum is 73.

The spelling of 346973789647 in words is "three hundred forty-six billion, nine hundred seventy-three million, seven hundred eighty-nine thousand, six hundred forty-seven".