26673025381 has 8 divisors (see below), whose sum is σ = 28243462104. Its totient is φ = 25102748160.

The previous prime is 26673025373. The next prime is 26673025409. The reversal of 26673025381 is 18352037662.

It can be written as a sum of positive squares in 4 ways, for example, as 15403292100 + 11269733281 = 124110^2 + 106159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26673025381 - 2³ = 26673025373 is a prime.

It is a super-2 number, since 2×26673025381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26673025321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578811 + ... + 623191.

It is an arithmetic number, because the mean of its divisors is an integer number (3530432763).

Almost surely, 2^26673025381 is an apocalyptic number.

It is an amenable number.

26673025381 is a deficient number, since it is larger than the sum of its proper divisors (1570436723).

26673025381 is a wasteful number, since it uses less digits than its factorization.

26673025381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79751.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 26673025381 in words is "twenty-six billion, six hundred seventy-three million, twenty-five thousand, three hundred eighty-one".