529689953249 has 2 divisors, whose sum is σ = 529689953250. Its totient is φ = 529689953248.

The previous prime is 529689953239. The next prime is 529689953279. The reversal of 529689953249 is 942359986925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426219651025 + 103470302224 = 652855^2 + 321668^2 .

It is a cyclic number.

It is not a de Polignac number, because 529689953249 - 2¹² = 529689949153 is a prime.

It is not a weakly prime, because it can be changed into another prime (529689953239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264844976624 + 264844976625.

It is an arithmetic number, because the mean of its divisors is an integer number (264844976625).

Almost surely, 2^529689953249 is an apocalyptic number.

It is an amenable number.

529689953249 is a deficient number, since it is larger than the sum of its proper divisors (1).

529689953249 is an equidigital number, since it uses as much as digits as its factorization.

529689953249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 377913600, while the sum is 71.

The spelling of 529689953249 in words is "five hundred twenty-nine billion, six hundred eighty-nine million, nine hundred fifty-three thousand, two hundred forty-nine".