266049473 has 8 divisors (see below), whose sum is σ = 281917440. Its totient is φ = 250205760.

The previous prime is 266049463. The next prime is 266049493. The reversal of 266049473 is 374940662.

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 266049473 - 2¹⁸ = 265787329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266049473.

It is not an unprimeable number, because it can be changed into a prime (266049463) 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, 19688 + ... + 30326.

It is an arithmetic number, because the mean of its divisors is an integer number (35239680).

Almost surely, 2^266049473 is an apocalyptic number.

It is an amenable number.

266049473 is a deficient number, since it is larger than the sum of its proper divisors (15867967).

266049473 is a wasteful number, since it uses less digits than its factorization.

266049473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12127.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 266049473 is about 16311.0230519119. The cubic root of 266049473 is about 643.1626278597.

The spelling of 266049473 in words is "two hundred sixty-six million, forty-nine thousand, four hundred seventy-three".