2676100109261 has 2 divisors, whose sum is σ = 2676100109262. Its totient is φ = 2676100109260.

The previous prime is 2676100109257. The next prime is 2676100109273. The reversal of 2676100109261 is 1629010016762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1446773546761 + 1229326562500 = 1202819^2 + 1108750^2 .

It is a cyclic number.

It is not a de Polignac number, because 2676100109261 - 2² = 2676100109257 is a prime.

It is a super-2 number, since 2×2676100109261² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2676100109231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1338050054630 + 1338050054631.

It is an arithmetic number, because the mean of its divisors is an integer number (1338050054631).

Almost surely, 2^{2676100109261} is an apocalyptic number.

It is an amenable number.

2676100109261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2676100109261 is an equidigital number, since it uses as much as digits as its factorization.

2676100109261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 2676100109261 in words is "two trillion, six hundred seventy-six billion, one hundred million, one hundred nine thousand, two hundred sixty-one".