612875989242 has 48 divisors (see below), whose sum is σ = 1449134095968. Its totient is φ = 185653571040.

The previous prime is 612875989217. The next prime is 612875989249. The reversal of 612875989242 is 242989578216.

612875989242 is a `hidden beast` number, since 6 + 12 + 8 + 7 + 598 + 9 + 24 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 612875989242.

It is not an unprimeable number, because it can be changed into a prime (612875989249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2848 + ... + 1107140.

It is an arithmetic number, because the mean of its divisors is an integer number (30190293666).

Almost surely, 2^612875989242 is an apocalyptic number.

612875989242 is an abundant number, since it is smaller than the sum of its proper divisors (836258106726).

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

612875989242 is a wasteful number, since it uses less digits than its factorization.

612875989242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107115 (or 1107112 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 612875989242 in words is "six hundred twelve billion, eight hundred seventy-five million, nine hundred eighty-nine thousand, two hundred forty-two".