5781217346990 has 32 divisors (see below), whose sum is σ = 11331605700000. Its totient is φ = 2115233059968.

The previous prime is 5781217346981. The next prime is 5781217347023. The reversal of 5781217346990 is 996437121875.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 524605865 + ... + 524616884.

It is an arithmetic number, because the mean of its divisors is an integer number (354112678125).

It is a 1-persistent number, because it is pandigital, but 2⋅5781217346990 = 11562434693980 is not.

Almost surely, 2^{5781217346990} is an apocalyptic number.

5781217346990 is a deficient number, since it is larger than the sum of its proper divisors (5550388353010).

5781217346990 is a wasteful number, since it uses less digits than its factorization.

5781217346990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049222804.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 5781217346990 in words is "five trillion, seven hundred eighty-one billion, two hundred seventeen million, three hundred forty-six thousand, nine hundred ninety".