614494889 has 2 divisors, whose sum is σ = 614494890. Its totient is φ = 614494888.

The previous prime is 614494849. The next prime is 614494913. The reversal of 614494889 is 988494416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 551451289 + 63043600 = 23483^2 + 7940^2 .

It is a cyclic number.

It is not a de Polignac number, because 614494889 - 2⁸ = 614494633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 614494889.

It is not a weakly prime, because it can be changed into another prime (614494849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307247444 + 307247445.

It is an arithmetic number, because the mean of its divisors is an integer number (307247445).

Almost surely, 2^614494889 is an apocalyptic number.

It is an amenable number.

614494889 is a deficient number, since it is larger than the sum of its proper divisors (1).

614494889 is an equidigital number, since it uses as much as digits as its factorization.

614494889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 53.

The square root of 614494889 is about 24789.0074226460. The cubic root of 614494889 is about 850.1706181145.

The spelling of 614494889 in words is "six hundred fourteen million, four hundred ninety-four thousand, eight hundred eighty-nine".