26493269477 has 8 divisors (see below), whose sum is σ = 27114200064. Its totient is φ = 25876822608.

The previous prime is 26493269449. The next prime is 26493269497. The reversal of 26493269477 is 77496239462.

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

It is not a de Polignac number, because 26493269477 - 2⁸ = 26493269221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26493269497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108973 + ... + 1132610.

It is an arithmetic number, because the mean of its divisors is an integer number (3389275008).

Almost surely, 2^26493269477 is an apocalyptic number.

It is an amenable number.

26493269477 is a deficient number, since it is larger than the sum of its proper divisors (620930587).

26493269477 is a wasteful number, since it uses less digits than its factorization.

26493269477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241859.

The product of its digits is 27433728, while the sum is 59.

The spelling of 26493269477 in words is "twenty-six billion, four hundred ninety-three million, two hundred sixty-nine thousand, four hundred seventy-seven".