2549893466 has 4 divisors (see below), whose sum is σ = 3824840202. Its totient is φ = 1274946732.

The previous prime is 2549893453. The next prime is 2549893481. The reversal of 2549893466 is 6643989452.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1344762241 + 1205131225 = 36671^2 + 34715^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637473365 + ... + 637473368.

Almost surely, 2^2549893466 is an apocalyptic number.

2549893466 is a deficient number, since it is larger than the sum of its proper divisors (1274946736).

2549893466 is a wasteful number, since it uses less digits than its factorization.

2549893466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274946735.

The product of its digits is 11197440, while the sum is 56.

The square root of 2549893466 is about 50496.4698370094. The cubic root of 2549893466 is about 1366.1781821021.

The spelling of 2549893466 in words is "two billion, five hundred forty-nine million, eight hundred ninety-three thousand, four hundred sixty-six".