620214146434651 has 2 divisors, whose sum is σ = 620214146434652. Its totient is φ = 620214146434650.

The previous prime is 620214146434591. The next prime is 620214146434667. The reversal of 620214146434651 is 156434641412026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620214146434651 - 2⁷ = 620214146434523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620214146434595 and 620214146434604.

It is not a weakly prime, because it can be changed into another prime (620214146434451) 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 as a sum of consecutive naturals, namely, 310107073217325 + 310107073217326.

It is an arithmetic number, because the mean of its divisors is an integer number (310107073217326).

Almost surely, 2^{620214146434651} is an apocalyptic number.

620214146434651 is a deficient number, since it is larger than the sum of its proper divisors (1).

620214146434651 is an equidigital number, since it uses as much as digits as its factorization.

620214146434651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 49.

Adding to 620214146434651 its reverse (156434641412026), we get a palindrome (776648787846677).

The spelling of 620214146434651 in words is "six hundred twenty trillion, two hundred fourteen billion, one hundred forty-six million, four hundred thirty-four thousand, six hundred fifty-one".