494981959542 has 32 divisors (see below), whose sum is σ = 1150563398400. Its totient is φ = 139026409248.

The previous prime is 494981959531. The next prime is 494981959553. The reversal of 494981959542 is 245959189494.

It is an interprime number because it is at equal distance from previous prime (494981959531) and next prime (494981959553).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99872817 + ... + 99877772.

It is an arithmetic number, because the mean of its divisors is an integer number (35955106200).

Almost surely, 2^494981959542 is an apocalyptic number.

494981959542 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

494981959542 is an abundant number, since it is smaller than the sum of its proper divisors (655581438858).

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

494981959542 is a wasteful number, since it uses less digits than its factorization.

494981959542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199750660.

The product of its digits is 167961600, while the sum is 69.

The spelling of 494981959542 in words is "four hundred ninety-four billion, nine hundred eighty-one million, nine hundred fifty-nine thousand, five hundred forty-two".