612143350947 has 16 divisors (see below), whose sum is σ = 922249872000. Its totient is φ = 401178692232.

The previous prime is 612143350933. The next prime is 612143350963. The reversal of 612143350947 is 749053341216.

612143350947 is a `hidden beast` number, since 6 + 121 + 433 + 5 + 0 + 94 + 7 = 666.

It is not a de Polignac number, because 612143350947 - 2¹² = 612143346851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612143350747) 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 15 ways as a sum of consecutive naturals, for example, 192133797 + ... + 192136982.

It is an arithmetic number, because the mean of its divisors is an integer number (57640617000).

Almost surely, 2^612143350947 is an apocalyptic number.

612143350947 is a deficient number, since it is larger than the sum of its proper divisors (310106521053).

612143350947 is a wasteful number, since it uses less digits than its factorization.

612143350947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384270847 (or 384270841 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 612143350947 in words is "six hundred twelve billion, one hundred forty-three million, three hundred fifty thousand, nine hundred forty-seven".