2685351101 has 4 divisors (see below), whose sum is σ = 2685507132. Its totient is φ = 2685195072.

The previous prime is 2685351091. The next prime is 2685351107. The reversal of 2685351101 is 1011535862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1011535862 = 2 ⋅505767931.

It can be written as a sum of positive squares in 2 ways, for example, as 170328601 + 2515022500 = 13051^2 + 50150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2685351101 is a prime.

It is a super-2 number, since 2×2685351101² = 14422221071283824402, which 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 (2685351107) 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, 48470 + ... + 87863.

It is an arithmetic number, because the mean of its divisors is an integer number (671376783).

Almost surely, 2^2685351101 is an apocalyptic number.

It is an amenable number.

2685351101 is a deficient number, since it is larger than the sum of its proper divisors (156031).

2685351101 is a wasteful number, since it uses less digits than its factorization.

2685351101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156030.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 2685351101 is about 51820.3734162540. The cubic root of 2685351101 is about 1389.9537794958.

Adding to 2685351101 its reverse (1011535862), we get a palindrome (3696886963).

The spelling of 2685351101 in words is "two billion, six hundred eighty-five million, three hundred fifty-one thousand, one hundred one".