612000613249 has 4 divisors (see below), whose sum is σ = 613018917700. Its totient is φ = 610982308800.

The previous prime is 612000613223. The next prime is 612000613261. The reversal of 612000613249 is 942316000216.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 400901716224 + 211098897025 = 633168^2 + 459455^2 .

It is a cyclic number.

It is not a de Polignac number, because 612000613249 - 2³¹ = 609853129601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612000613349) 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 3 ways as a sum of consecutive naturals, for example, 509151324 + ... + 509152525.

It is an arithmetic number, because the mean of its divisors is an integer number (153254729425).

Almost surely, 2^612000613249 is an apocalyptic number.

It is an amenable number.

612000613249 is a deficient number, since it is larger than the sum of its proper divisors (1018304451).

612000613249 is a wasteful number, since it uses less digits than its factorization.

612000613249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018304450.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 612000613249 in words is "six hundred twelve billion, six hundred thirteen thousand, two hundred forty-nine".