1493197222109 has 2 divisors, whose sum is σ = 1493197222110. Its totient is φ = 1493197222108.

The previous prime is 1493197222103. The next prime is 1493197222141. The reversal of 1493197222109 is 9012227913941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1149994574884 + 343202647225 = 1072378^2 + 585835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1493197222109 - 2¹⁶ = 1493197156573 is a prime.

It is a super-2 number, since 2×1493197222109² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1493197222103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746598611054 + 746598611055.

It is an arithmetic number, because the mean of its divisors is an integer number (746598611055).

Almost surely, 2^{1493197222109} is an apocalyptic number.

It is an amenable number.

1493197222109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493197222109 is an equidigital number, since it uses as much as digits as its factorization.

1493197222109 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 50.

The spelling of 1493197222109 in words is "one trillion, four hundred ninety-three billion, one hundred ninety-seven million, two hundred twenty-two thousand, one hundred nine".