614135849 has 2 divisors, whose sum is σ = 614135850. Its totient is φ = 614135848.

The previous prime is 614135839. The next prime is 614135909. The reversal of 614135849 is 948531416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422590249 + 191545600 = 20557^2 + 13840^2 .

It is a cyclic number.

It is not a de Polignac number, because 614135849 - 2²⁸ = 345700393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (614135839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307067924 + 307067925.

It is an arithmetic number, because the mean of its divisors is an integer number (307067925).

Almost surely, 2^614135849 is an apocalyptic number.

It is an amenable number.

614135849 is a deficient number, since it is larger than the sum of its proper divisors (1).

614135849 is an equidigital number, since it uses as much as digits as its factorization.

614135849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 614135849 is about 24781.7644448494. The cubic root of 614135849 is about 850.0050052762.

The spelling of 614135849 in words is "six hundred fourteen million, one hundred thirty-five thousand, eight hundred forty-nine".