2068535100469 has 4 divisors (see below), whose sum is σ = 2091777067980. Its totient is φ = 2045293132960.

The previous prime is 2068535100439. The next prime is 2068535100503. The reversal of 2068535100469 is 9640015358602.

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 106187998225 + 1962347102244 = 325865^2 + 1400838^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068535100469 - 2⁹ = 2068535099957 is a prime.

It is a super-2 number, since 2×2068535100469² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068535100439) 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, 11620983622 + ... + 11620983799.

It is an arithmetic number, because the mean of its divisors is an integer number (522944266995).

Almost surely, 2^{2068535100469} is an apocalyptic number.

It is an amenable number.

2068535100469 is a deficient number, since it is larger than the sum of its proper divisors (23241967511).

2068535100469 is an equidigital number, since it uses as much as digits as its factorization.

2068535100469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23241967510.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 2068535100469 in words is "two trillion, sixty-eight billion, five hundred thirty-five million, one hundred thousand, four hundred sixty-nine".