422137381597 has 2 divisors, whose sum is σ = 422137381598. Its totient is φ = 422137381596.

The previous prime is 422137381591. The next prime is 422137381609. The reversal of 422137381597 is 795183731224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229090505956 + 193046875641 = 478634^2 + 439371^2 .

It is a cyclic number.

It is not a de Polignac number, because 422137381597 - 2¹¹ = 422137379549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422137381591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211068690798 + 211068690799.

It is an arithmetic number, because the mean of its divisors is an integer number (211068690799).

Almost surely, 2^422137381597 is an apocalyptic number.

It is an amenable number.

422137381597 is a deficient number, since it is larger than the sum of its proper divisors (1).

422137381597 is an equidigital number, since it uses as much as digits as its factorization.

422137381597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 52.

The spelling of 422137381597 in words is "four hundred twenty-two billion, one hundred thirty-seven million, three hundred eighty-one thousand, five hundred ninety-seven".