612240312434 has 4 divisors (see below), whose sum is σ = 918360468654. Its totient is φ = 306120156216.

The previous prime is 612240312421. The next prime is 612240312449. The reversal of 612240312434 is 434213042216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 561188265625 + 51052046809 = 749125^2 + 225947^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 612240312434.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 153060078107 + ... + 153060078110.

Almost surely, 2^612240312434 is an apocalyptic number.

612240312434 is a deficient number, since it is larger than the sum of its proper divisors (306120156220).

612240312434 is a wasteful number, since it uses less digits than its factorization.

612240312434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306120156219.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 612240312434 in words is "six hundred twelve billion, two hundred forty million, three hundred twelve thousand, four hundred thirty-four".