534921217249 has 2 divisors, whose sum is σ = 534921217250. Its totient is φ = 534921217248.

The previous prime is 534921217213. The next prime is 534921217253. The reversal of 534921217249 is 942712129435.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364401773649 + 170519443600 = 603657^2 + 412940^2 .

It is a cyclic number.

It is not a de Polignac number, because 534921217249 - 2¹⁵ = 534921184481 is a prime.

It is a super-2 number, since 2×534921217249² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (534921217849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267460608624 + 267460608625.

It is an arithmetic number, because the mean of its divisors is an integer number (267460608625).

Almost surely, 2^534921217249 is an apocalyptic number.

It is an amenable number.

534921217249 is a deficient number, since it is larger than the sum of its proper divisors (1).

534921217249 is an equidigital number, since it uses as much as digits as its factorization.

534921217249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The spelling of 534921217249 in words is "five hundred thirty-four billion, nine hundred twenty-one million, two hundred seventeen thousand, two hundred forty-nine".