612178142263 has 2 divisors, whose sum is σ = 612178142264. Its totient is φ = 612178142262.

The previous prime is 612178142239. The next prime is 612178142297. The reversal of 612178142263 is 362241871216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612178142263 - 2¹⁷ = 612178011191 is a prime.

It is a super-2 number, since 2×612178142263² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612178145263) 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 as a sum of consecutive naturals, namely, 306089071131 + 306089071132.

It is an arithmetic number, because the mean of its divisors is an integer number (306089071132).

Almost surely, 2^612178142263 is an apocalyptic number.

612178142263 is a deficient number, since it is larger than the sum of its proper divisors (1).

612178142263 is an equidigital number, since it uses as much as digits as its factorization.

612178142263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The spelling of 612178142263 in words is "six hundred twelve billion, one hundred seventy-eight million, one hundred forty-two thousand, two hundred sixty-three".