614476769 has 2 divisors, whose sum is σ = 614476770. Its totient is φ = 614476768.

The previous prime is 614476757. The next prime is 614476801. The reversal of 614476769 is 967674416.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 573363025 + 41113744 = 23945^2 + 6412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-614476769 is a prime.

It is a super-2 number, since 2×614476769² = 755163399281358722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (614476669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307238384 + 307238385.

It is an arithmetic number, because the mean of its divisors is an integer number (307238385).

Almost surely, 2^614476769 is an apocalyptic number.

It is an amenable number.

614476769 is a deficient number, since it is larger than the sum of its proper divisors (1).

614476769 is an equidigital number, since it uses as much as digits as its factorization.

614476769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The square root of 614476769 is about 24788.6419353703. The cubic root of 614476769 is about 850.1622615259.

The spelling of 614476769 in words is "six hundred fourteen million, four hundred seventy-six thousand, seven hundred sixty-nine".