26142204604667 has 4 divisors (see below), whose sum is σ = 27679981346136. Its totient is φ = 24604427863200.

The previous prime is 26142204604631. The next prime is 26142204604669. The reversal of 26142204604667 is 76640640224162.

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 26142204604667 - 2¹⁰ = 26142204603643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26142204604669) 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, 768888370709 + ... + 768888370742.

It is an arithmetic number, because the mean of its divisors is an integer number (6919995336534).

Almost surely, 2^{26142204604667} is an apocalyptic number.

26142204604667 is a deficient number, since it is larger than the sum of its proper divisors (1537776741469).

26142204604667 is a wasteful number, since it uses less digits than its factorization.

26142204604667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537776741468.

The product of its (nonzero) digits is 4644864, while the sum is 50.

The spelling of 26142204604667 in words is "twenty-six trillion, one hundred forty-two billion, two hundred four million, six hundred four thousand, six hundred sixty-seven".