32219745814849 has 2 divisors, whose sum is σ = 32219745814850. Its totient is φ = 32219745814848.

The previous prime is 32219745814813. The next prime is 32219745814871. The reversal of 32219745814849 is 94841854791223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17210940040449 + 15008805774400 = 4148607^2 + 3874120^2 .

It is a cyclic number.

It is not a de Polignac number, because 32219745814849 - 2¹³ = 32219745806657 is a prime.

It is a super-2 number, since 2×32219745814849² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32219745314849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16109872907424 + 16109872907425.

It is an arithmetic number, because the mean of its divisors is an integer number (16109872907425).

Almost surely, 2^{32219745814849} is an apocalyptic number.

It is an amenable number.

32219745814849 is a deficient number, since it is larger than the sum of its proper divisors (1).

32219745814849 is an equidigital number, since it uses as much as digits as its factorization.

32219745814849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139345920, while the sum is 67.

The spelling of 32219745814849 in words is "thirty-two trillion, two hundred nineteen billion, seven hundred forty-five million, eight hundred fourteen thousand, eight hundred forty-nine".