620161554244699 has 2 divisors, whose sum is σ = 620161554244700. Its totient is φ = 620161554244698.

The previous prime is 620161554244691. The next prime is 620161554244717. The reversal of 620161554244699 is 996442455161026.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 620161554244699 - 2³ = 620161554244691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 620161554244699.

It is not a weakly prime, because it can be changed into another prime (620161554244691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310080777122349 + 310080777122350.

It is an arithmetic number, because the mean of its divisors is an integer number (310080777122350).

Almost surely, 2^{620161554244699} is an apocalyptic number.

620161554244699 is a deficient number, since it is larger than the sum of its proper divisors (1).

620161554244699 is an equidigital number, since it uses as much as digits as its factorization.

620161554244699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111974400, while the sum is 64.

The spelling of 620161554244699 in words is "six hundred twenty trillion, one hundred sixty-one billion, five hundred fifty-four million, two hundred forty-four thousand, six hundred ninety-nine".