620187630289 has 2 divisors, whose sum is σ = 620187630290. Its totient is φ = 620187630288.

The previous prime is 620187630277. The next prime is 620187630301. The reversal of 620187630289 is 982036781026.

It is a balanced prime because it is at equal distance from previous prime (620187630277) and next prime (620187630301).

It can be written as a sum of positive squares in only one way, i.e., 609973496064 + 10214134225 = 781008^2 + 101065^2 .

It is a cyclic number.

It is not a de Polignac number, because 620187630289 - 2¹⁵ = 620187597521 is a prime.

It is a super-3 number, since 3×620187630289³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (620187630229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310093815144 + 310093815145.

It is an arithmetic number, because the mean of its divisors is an integer number (310093815145).

Almost surely, 2^620187630289 is an apocalyptic number.

It is an amenable number.

620187630289 is a deficient number, since it is larger than the sum of its proper divisors (1).

620187630289 is an equidigital number, since it uses as much as digits as its factorization.

620187630289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 620187630289 in words is "six hundred twenty billion, one hundred eighty-seven million, six hundred thirty thousand, two hundred eighty-nine".