614671493 has 2 divisors, whose sum is σ = 614671494. Its totient is φ = 614671492.

The previous prime is 614671439. The next prime is 614671507. The reversal of 614671493 is 394176416.

Together with previous prime (614671439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582884449 + 31787044 = 24143^2 + 5638^2 .

It is a cyclic number.

It is not a de Polignac number, because 614671493 - 2²⁴ = 597894277 is a prime.

It is a Sophie Germain prime.

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 614671493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (614671403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307335746 + 307335747.

It is an arithmetic number, because the mean of its divisors is an integer number (307335747).

Almost surely, 2^614671493 is an apocalyptic number.

It is an amenable number.

614671493 is a deficient number, since it is larger than the sum of its proper divisors (1).

614671493 is an equidigital number, since it uses as much as digits as its factorization.

614671493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 614671493 is about 24792.5693101784. The cubic root of 614671493 is about 850.2520558141.

The spelling of 614671493 in words is "six hundred fourteen million, six hundred seventy-one thousand, four hundred ninety-three".