591045486642 has 96 divisors (see below), whose sum is σ = 1469686353408. Its totient is φ = 170251982208.

The previous prime is 591045486641. The next prime is 591045486643. The reversal of 591045486642 is 246684540195.

It is a happy number.

591045486642 is a `hidden beast` number, since 5 + 91 + 0 + 4 + 548 + 6 + 6 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (591045486641) and next prime (591045486643).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (591045486641) 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 47 ways as a sum of consecutive naturals, for example, 915333 + ... + 1421240.

It is an arithmetic number, because the mean of its divisors is an integer number (15309232848).

Almost surely, 2^591045486642 is an apocalyptic number.

591045486642 is an abundant number, since it is smaller than the sum of its proper divisors (878640866766).

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

591045486642 is a wasteful number, since it uses less digits than its factorization.

591045486642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336664 (or 2336661 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 591045486642 in words is "five hundred ninety-one billion, forty-five million, four hundred eighty-six thousand, six hundred forty-two".