491070028702 has 16 divisors (see below), whose sum is σ = 803607494400. Its totient is φ = 223202994840.

The previous prime is 491070028697. The next prime is 491070028703. The reversal of 491070028702 is 207820070194.

It is a super-2 number, since 2×491070028702² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491070028703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51702 + ... + 992377.

It is an arithmetic number, because the mean of its divisors is an integer number (50225468400).

Almost surely, 2^491070028702 is an apocalyptic number.

491070028702 is a deficient number, since it is larger than the sum of its proper divisors (312537465698).

491070028702 is a wasteful number, since it uses less digits than its factorization.

491070028702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065471.

The product of its (nonzero) digits is 56448, while the sum is 40.

Adding to 491070028702 its reverse (207820070194), we get a palindrome (698890098896).

The spelling of 491070028702 in words is "four hundred ninety-one billion, seventy million, twenty-eight thousand, seven hundred two".