1021012832393 has 2 divisors, whose sum is σ = 1021012832394. Its totient is φ = 1021012832392.

The previous prime is 1021012832387. The next prime is 1021012832407. The reversal of 1021012832393 is 3932382101201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016703172489 + 4309659904 = 1008317^2 + 65648^2 .

It is an emirp because it is prime and its reverse (3932382101201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021012832393 is a prime.

It is a super-2 number, since 2×1021012832393² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1021012832303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510506416196 + 510506416197.

It is an arithmetic number, because the mean of its divisors is an integer number (510506416197).

Almost surely, 2^{1021012832393} is an apocalyptic number.

It is an amenable number.

1021012832393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021012832393 is an equidigital number, since it uses as much as digits as its factorization.

1021012832393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

Adding to 1021012832393 its reverse (3932382101201), we get a palindrome (4953394933594).

The spelling of 1021012832393 in words is "one trillion, twenty-one billion, twelve million, eight hundred thirty-two thousand, three hundred ninety-three".