346433747394643 has 2 divisors, whose sum is σ = 346433747394644. Its totient is φ = 346433747394642.

The previous prime is 346433747394593. The next prime is 346433747394671. The reversal of 346433747394643 is 346493747334643.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346433747394643 is a prime.

It is not a weakly prime, because it can be changed into another prime (346433747398643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173216873697321 + 173216873697322.

It is an arithmetic number, because the mean of its divisors is an integer number (173216873697322).

Almost surely, 2^{346433747394643} is an apocalyptic number.

346433747394643 is a deficient number, since it is larger than the sum of its proper divisors (1).

346433747394643 is an equidigital number, since it uses as much as digits as its factorization.

346433747394643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3950456832, while the sum is 70.

The spelling of 346433747394643 in words is "three hundred forty-six trillion, four hundred thirty-three billion, seven hundred forty-seven million, three hundred ninety-four thousand, six hundred forty-three".