2491223699235 has 16 divisors (see below), whose sum is σ = 3986012103840. Its totient is φ = 1328634577920.

The previous prime is 2491223699233. The next prime is 2491223699243. The reversal of 2491223699235 is 5329963221942.

It is not a de Polignac number, because 2491223699235 - 2¹ = 2491223699233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2491223699233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51145 + ... + 2232725.

It is an arithmetic number, because the mean of its divisors is an integer number (249125756490).

Almost surely, 2^{2491223699235} is an apocalyptic number.

2491223699235 is a deficient number, since it is larger than the sum of its proper divisors (1494788404605).

2491223699235 is a wasteful number, since it uses less digits than its factorization.

2491223699235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257718.

The product of its digits is 12597120, while the sum is 57.

The spelling of 2491223699235 in words is "two trillion, four hundred ninety-one billion, two hundred twenty-three million, six hundred ninety-nine thousand, two hundred thirty-five".