2491454405 has 8 divisors (see below), whose sum is σ = 3261540384. Its totient is φ = 1811966800.

The previous prime is 2491454333. The next prime is 2491454417. The reversal of 2491454405 is 5044541942.

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

It is not a de Polignac number, because 2491454405 - 2⁸ = 2491454149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22649531 + ... + 22649640.

It is an arithmetic number, because the mean of its divisors is an integer number (407692548).

Almost surely, 2^2491454405 is an apocalyptic number.

It is an amenable number.

2491454405 is a deficient number, since it is larger than the sum of its proper divisors (770085979).

2491454405 is a wasteful number, since it uses less digits than its factorization.

2491454405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45299187.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 2491454405 is about 49914.4708977266. The cubic root of 2491454405 is about 1355.6606220247.

The spelling of 2491454405 in words is "two billion, four hundred ninety-one million, four hundred fifty-four thousand, four hundred five".