491052829274936 has 32 divisors (see below), whose sum is σ = 942298655324400. Its totient is φ = 239775156499200.

The previous prime is 491052829274933. The next prime is 491052829274939. The reversal of 491052829274936 is 639472928250194.

It is an interprime number because it is at equal distance from previous prime (491052829274933) and next prime (491052829274939).

It is a super-2 number, since 2×491052829274936² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 491052829274936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491052829274933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121041791 + ... + 125032878.

It is a 1-persistent number, because it is pandigital, but 2⋅491052829274936 = 982105658549872 is not.

Almost surely, 2^{491052829274936} is an apocalyptic number.

It is an amenable number.

491052829274936 is a deficient number, since it is larger than the sum of its proper divisors (451245826049464).

491052829274936 is a wasteful number, since it uses less digits than its factorization.

491052829274936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246080519 (or 246080515 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 71.

The spelling of 491052829274936 in words is "four hundred ninety-one trillion, fifty-two billion, eight hundred twenty-nine million, two hundred seventy-four thousand, nine hundred thirty-six".