10521234349393 has 2 divisors, whose sum is σ = 10521234349394. Its totient is φ = 10521234349392.

The previous prime is 10521234349363. The next prime is 10521234349421. The reversal of 10521234349393 is 39394343212501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7737782565969 + 2783451783424 = 2781687^2 + 1668368^2 .

It is a cyclic number.

It is not a de Polignac number, because 10521234349393 - 2²¹ = 10521232252241 is a prime.

It is a super-2 number, since 2×10521234349393² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10521234349363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260617174696 + 5260617174697.

It is an arithmetic number, because the mean of its divisors is an integer number (5260617174697).

Almost surely, 2^{10521234349393} is an apocalyptic number.

It is an amenable number.

10521234349393 is a deficient number, since it is larger than the sum of its proper divisors (1).

10521234349393 is an equidigital number, since it uses as much as digits as its factorization.

10521234349393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 49.

The spelling of 10521234349393 in words is "ten trillion, five hundred twenty-one billion, two hundred thirty-four million, three hundred forty-nine thousand, three hundred ninety-three".