2409449451 has 8 divisors (see below), whose sum is σ = 3381683520. Its totient is φ = 1521757512.

The previous prime is 2409449443. The next prime is 2409449467. The reversal of 2409449451 is 1549449042.

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

It is not a de Polignac number, because 2409449451 - 2³ = 2409449443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2409449411) 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, 21135465 + ... + 21135578.

It is an arithmetic number, because the mean of its divisors is an integer number (422710440).

Almost surely, 2^2409449451 is an apocalyptic number.

2409449451 is a deficient number, since it is larger than the sum of its proper divisors (972234069).

2409449451 is a wasteful number, since it uses less digits than its factorization.

2409449451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42271065.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 2409449451 is about 49086.1431668857. The cubic root of 2409449451 is about 1340.6207584632.

The spelling of 2409449451 in words is "two billion, four hundred nine million, four hundred forty-nine thousand, four hundred fifty-one".