1010857339693 has 4 divisors (see below), whose sum is σ = 1022215287420. Its totient is φ = 999499391968.

The previous prime is 1010857339621. The next prime is 1010857339733. The reversal of 1010857339693 is 3969337580101.

It is a happy number.

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 96896483524 + 913960856169 = 311282^2 + 956013^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010857339693 - 2⁹ = 1010857339181 is a prime.

It is a super-3 number, since 3×1010857339693³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010857339493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5678973730 + ... + 5678973907.

It is an arithmetic number, because the mean of its divisors is an integer number (255553821855).

Almost surely, 2^{1010857339693} is an apocalyptic number.

It is an amenable number.

1010857339693 is a deficient number, since it is larger than the sum of its proper divisors (11357947727).

1010857339693 is an equidigital number, since it uses as much as digits as its factorization.

1010857339693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11357947726.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 1010857339693 in words is "one trillion, ten billion, eight hundred fifty-seven million, three hundred thirty-nine thousand, six hundred ninety-three".