26553996467 has 4 divisors (see below), whose sum is σ = 26555220480. Its totient is φ = 26552772456.

The previous prime is 26553996463. The next prime is 26553996487. The reversal of 26553996467 is 76469935562.

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 26553996467 - 2² = 26553996463 is a prime.

It is a super-2 number, since 2×26553996467² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26553996463) 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, 578867 + ... + 623052.

It is an arithmetic number, because the mean of its divisors is an integer number (6638805120).

Almost surely, 2^26553996467 is an apocalyptic number.

26553996467 is a deficient number, since it is larger than the sum of its proper divisors (1224013).

26553996467 is a wasteful number, since it uses less digits than its factorization.

26553996467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224012.

The product of its digits is 73483200, while the sum is 62.

The spelling of 26553996467 in words is "twenty-six billion, five hundred fifty-three million, nine hundred ninety-six thousand, four hundred sixty-seven".