2805981274367 has 4 divisors (see below), whose sum is σ = 2807376592776. Its totient is φ = 2804585955960.

The previous prime is 2805981274351. The next prime is 2805981274381. The reversal of 2805981274367 is 7634721895082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2805981274367 - 2⁴ = 2805981274351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805981274387) 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, 697656188 + ... + 697660209.

It is an arithmetic number, because the mean of its divisors is an integer number (701844148194).

It is a 1-persistent number, because it is pandigital, but 2⋅2805981274367 = 5611962548734 is not.

Almost surely, 2^{2805981274367} is an apocalyptic number.

2805981274367 is a deficient number, since it is larger than the sum of its proper divisors (1395318409).

2805981274367 is a wasteful number, since it uses less digits than its factorization.

2805981274367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395318408.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 2805981274367 in words is "two trillion, eight hundred five billion, nine hundred eighty-one million, two hundred seventy-four thousand, three hundred sixty-seven".