1035698321993 has 4 divisors (see below), whose sum is σ = 1039384081428. Its totient is φ = 1032012562560.

The previous prime is 1035698321909. The next prime is 1035698322023. The reversal of 1035698321993 is 3991238965301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 614902200649 + 420796121344 = 784157^2 + 648688^2 .

It is a cyclic number.

It is not a de Polignac number, because 1035698321993 - 2¹² = 1035698317897 is a prime.

It is a super-3 number, since 3×1035698321993³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1035698321393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1842879296 + ... + 1842879857.

It is an arithmetic number, because the mean of its divisors is an integer number (259846020357).

Almost surely, 2^{1035698321993} is an apocalyptic number.

It is an amenable number.

1035698321993 is a deficient number, since it is larger than the sum of its proper divisors (3685759435).

1035698321993 is an equidigital number, since it uses as much as digits as its factorization.

1035698321993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685759434.

The product of its (nonzero) digits is 9447840, while the sum is 59.

The spelling of 1035698321993 in words is "one trillion, thirty-five billion, six hundred ninety-eight million, three hundred twenty-one thousand, nine hundred ninety-three".