2491279436830 has 16 divisors (see below), whose sum is σ = 4484328990624. Its totient is φ = 996505996000.

The previous prime is 2491279436803. The next prime is 2491279436861. The reversal of 2491279436830 is 386349721942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379580 + ... + 2624080.

It is an arithmetic number, because the mean of its divisors is an integer number (280270561914).

Almost surely, 2^{2491279436830} is an apocalyptic number.

2491279436830 is a deficient number, since it is larger than the sum of its proper divisors (1993049553794).

2491279436830 is a wasteful number, since it uses less digits than its factorization.

2491279436830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444691.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 2491279436830 in words is "two trillion, four hundred ninety-one billion, two hundred seventy-nine million, four hundred thirty-six thousand, eight hundred thirty".