91304249752 has 16 divisors (see below), whose sum is σ = 171217648800. Its totient is φ = 45646210080.

The previous prime is 91304249737. The next prime is 91304249759. The reversal of 91304249752 is 25794240319.

It is a super-3 number, since 3×91304249752³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91304249759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673399 + ... + 797542.

It is an arithmetic number, because the mean of its divisors is an integer number (10701103050).

Almost surely, 2^91304249752 is an apocalyptic number.

It is an amenable number.

91304249752 is a deficient number, since it is larger than the sum of its proper divisors (79913399048).

91304249752 is a wasteful number, since it uses less digits than its factorization.

91304249752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478706 (or 1478702 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

It can be divided in two parts, 91304 and 249752, that added together give a square (341056 = 584²).

The spelling of 91304249752 in words is "ninety-one billion, three hundred four million, two hundred forty-nine thousand, seven hundred fifty-two".