620906027293 has 2 divisors, whose sum is σ = 620906027294. Its totient is φ = 620906027292.

The previous prime is 620906027251. The next prime is 620906027309. The reversal of 620906027293 is 392720609026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389772965124 + 231133062169 = 624318^2 + 480763^2 .

It is a cyclic number.

It is not a de Polignac number, because 620906027293 - 2¹³ = 620906019101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620906021293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310453013646 + 310453013647.

It is an arithmetic number, because the mean of its divisors is an integer number (310453013647).

Almost surely, 2^620906027293 is an apocalyptic number.

It is an amenable number.

620906027293 is a deficient number, since it is larger than the sum of its proper divisors (1).

620906027293 is an equidigital number, since it uses as much as digits as its factorization.

620906027293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 620906027293 in words is "six hundred twenty billion, nine hundred six million, twenty-seven thousand, two hundred ninety-three".