620120329943 has 2 divisors, whose sum is σ = 620120329944. Its totient is φ = 620120329942.

The previous prime is 620120329909. The next prime is 620120329949. The reversal of 620120329943 is 349923021026.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620120329943 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 620120329943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620120329949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310060164971 + 310060164972.

It is an arithmetic number, because the mean of its divisors is an integer number (310060164972).

Almost surely, 2^620120329943 is an apocalyptic number.

620120329943 is a deficient number, since it is larger than the sum of its proper divisors (1).

620120329943 is an equidigital number, since it uses as much as digits as its factorization.

620120329943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 620120329943 in words is "six hundred twenty billion, one hundred twenty million, three hundred twenty-nine thousand, nine hundred forty-three".