620517274324141 has 2 divisors, whose sum is σ = 620517274324142. Its totient is φ = 620517274324140.

The previous prime is 620517274324109. The next prime is 620517274324153. The reversal of 620517274324141 is 141423472715026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 617587857229225 + 2929417094916 = 24851315^2 + 1711554^2 .

It is a cyclic number.

It is not a de Polignac number, because 620517274324141 - 2⁵ = 620517274324109 is a prime.

It is a super-2 number, since 2×620517274324141² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620517274354141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310258637162070 + 310258637162071.

It is an arithmetic number, because the mean of its divisors is an integer number (310258637162071).

Almost surely, 2^{620517274324141} is an apocalyptic number.

It is an amenable number.

620517274324141 is a deficient number, since it is larger than the sum of its proper divisors (1).

620517274324141 is an equidigital number, since it uses as much as digits as its factorization.

620517274324141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 620517274324141 in words is "six hundred twenty trillion, five hundred seventeen billion, two hundred seventy-four million, three hundred twenty-four thousand, one hundred forty-one".