2491406434 has 8 divisors (see below), whose sum is σ = 4076846928. Its totient is φ = 1132457460.

The previous prime is 2491406431. The next prime is 2491406441. The reversal of 2491406434 is 4346041942.

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

It is a junction number, because it is equal to n+sod(n) for n = 2491406393 and 2491406402.

It is not an unprimeable number, because it can be changed into a prime (2491406431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56622852 + ... + 56622895.

It is an arithmetic number, because the mean of its divisors is an integer number (509605866).

Almost surely, 2^2491406434 is an apocalyptic number.

2491406434 is a deficient number, since it is larger than the sum of its proper divisors (1585440494).

2491406434 is a wasteful number, since it uses less digits than its factorization.

2491406434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113245760.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 2491406434 is about 49913.9903634242. The cubic root of 2491406434 is about 1355.6519212416.

The spelling of 2491406434 in words is "two billion, four hundred ninety-one million, four hundred six thousand, four hundred thirty-four".