26670188049 has 16 divisors (see below), whose sum is σ = 35628097920. Its totient is φ = 17746237440.

The previous prime is 26670188009. The next prime is 26670188059. The reversal of 26670188049 is 94088107662.

It is not a de Polignac number, because 26670188049 - 2¹³ = 26670179857 is a prime.

It is a super-2 number, since 2×26670188049² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26670187992 and 26670188010.

It is not an unprimeable number, because it can be changed into a prime (26670188009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4081617 + ... + 4088145.

It is an arithmetic number, because the mean of its divisors is an integer number (2226756120).

Almost surely, 2^26670188049 is an apocalyptic number.

It is an amenable number.

26670188049 is a deficient number, since it is larger than the sum of its proper divisors (8957909871).

26670188049 is a wasteful number, since it uses less digits than its factorization.

26670188049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8920.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 26670188049 in words is "twenty-six billion, six hundred seventy million, one hundred eighty-eight thousand, forty-nine".