26672478621694 has 4 divisors (see below), whose sum is σ = 40008717932544. Its totient is φ = 13336239310846.

The previous prime is 26672478621647. The next prime is 26672478621703. The reversal of 26672478621694 is 49612687427662.

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

It is a super-2 number, since 2×26672478621694² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6668119655422 + ... + 6668119655425.

It is an arithmetic number, because the mean of its divisors is an integer number (10002179483136).

Almost surely, 2^{26672478621694} is an apocalyptic number.

26672478621694 is a deficient number, since it is larger than the sum of its proper divisors (13336239310850).

26672478621694 is a wasteful number, since it uses less digits than its factorization.

26672478621694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13336239310849.

The product of its digits is 585252864, while the sum is 70.

The spelling of 26672478621694 in words is "twenty-six trillion, six hundred seventy-two billion, four hundred seventy-eight million, six hundred twenty-one thousand, six hundred ninety-four".