2671289986361 has 4 divisors (see below), whose sum is σ = 2673586883472. Its totient is φ = 2668993089252.

The previous prime is 2671289986331. The next prime is 2671289986363. The reversal of 2671289986361 is 1636899821762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2671289986361 - 2¹⁰ = 2671289985337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2671289986291 and 2671289986300.

It is not an unprimeable number, because it can be changed into a prime (2671289986363) 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, 1148446811 + ... + 1148449136.

It is an arithmetic number, because the mean of its divisors is an integer number (668396720868).

Almost surely, 2^{2671289986361} is an apocalyptic number.

It is an amenable number.

2671289986361 is a deficient number, since it is larger than the sum of its proper divisors (2296897111).

2671289986361 is a wasteful number, since it uses less digits than its factorization.

2671289986361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296897110.

The product of its digits is 94058496, while the sum is 68.

The spelling of 2671289986361 in words is "two trillion, six hundred seventy-one billion, two hundred eighty-nine million, nine hundred eighty-six thousand, three hundred sixty-one".