10491430782516 has 24 divisors (see below), whose sum is σ = 24495994754784. Its totient is φ = 3494859366240.

The previous prime is 10491430782479. The next prime is 10491430782517. The reversal of 10491430782516 is 61528703419401.

It is a super-2 number, since 2×10491430782516² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10491430782517) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 285509355 + ... + 285546098.

It is an arithmetic number, because the mean of its divisors is an integer number (1020666448116).

It is a 1-persistent number, because it is pandigital, but 2⋅10491430782516 = 20982861565032 is not.

Almost surely, 2^{10491430782516} is an apocalyptic number.

It is an amenable number.

10491430782516 is an abundant number, since it is smaller than the sum of its proper divisors (14004563972268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10491430782516 is a wasteful number, since it uses less digits than its factorization.

10491430782516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571056991 (or 571056989 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 10491430782516 in words is "ten trillion, four hundred ninety-one billion, four hundred thirty million, seven hundred eighty-two thousand, five hundred sixteen".