285593302149349 has 2 divisors, whose sum is σ = 285593302149350. Its totient is φ = 285593302149348.

The previous prime is 285593302149251. The next prime is 285593302149371. The reversal of 285593302149349 is 943941203395582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218243213125249 + 67350089024100 = 14773057^2 + 8206710^2 .

It is a cyclic number.

It is not a de Polignac number, because 285593302149349 - 2²³ = 285593293760741 is a prime.

It is a super-2 number, since 2×285593302149349² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285593302129349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142796651074674 + 142796651074675.

It is an arithmetic number, because the mean of its divisors is an integer number (142796651074675).

Almost surely, 2^{285593302149349} is an apocalyptic number.

It is an amenable number.

285593302149349 is a deficient number, since it is larger than the sum of its proper divisors (1).

285593302149349 is an equidigital number, since it uses as much as digits as its factorization.

285593302149349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 251942400, while the sum is 67.

The spelling of 285593302149349 in words is "two hundred eighty-five trillion, five hundred ninety-three billion, three hundred two million, one hundred forty-nine thousand, three hundred forty-nine".