126785002633 has 16 divisors (see below), whose sum is σ = 129534999120. Its totient is φ = 124048813824.

The previous prime is 126785002601. The next prime is 126785002657. The reversal of 126785002633 is 336200587621.

It can be written as a sum of positive squares in 8 ways, for example, as 989228304 + 125795774329 = 31452^2 + 354677^2 .

It is a cyclic number.

It is not a de Polignac number, because 126785002633 - 2⁵ = 126785002601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126785002633.

It is not an unprimeable number, because it can be changed into a prime (126785002433) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33961435 + ... + 33965167.

It is an arithmetic number, because the mean of its divisors is an integer number (8095937445).

Almost surely, 2^126785002633 is an apocalyptic number.

It is an amenable number.

126785002633 is a deficient number, since it is larger than the sum of its proper divisors (2749996487).

126785002633 is an equidigital number, since it uses as much as digits as its factorization.

126785002633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 126785002633 in words is "one hundred twenty-six billion, seven hundred eighty-five million, two thousand, six hundred thirty-three".