614632578493949 has 2 divisors, whose sum is σ = 614632578493950. Its totient is φ = 614632578493948.

The previous prime is 614632578493943. The next prime is 614632578494003. The reversal of 614632578493949 is 949394875236416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600767061302500 + 13865517191449 = 24510550^2 + 3723643^2 .

It is a cyclic number.

It is not a de Polignac number, because 614632578493949 - 2⁸ = 614632578493693 is a prime.

It is a super-2 number, since 2×614632578493949² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (614632578493943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307316289246974 + 307316289246975.

It is an arithmetic number, because the mean of its divisors is an integer number (307316289246975).

Almost surely, 2^{614632578493949} is an apocalyptic number.

It is an amenable number.

614632578493949 is a deficient number, since it is larger than the sum of its proper divisors (1).

614632578493949 is an equidigital number, since it uses as much as digits as its factorization.

614632578493949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8465264640, while the sum is 80.

The spelling of 614632578493949 in words is "six hundred fourteen trillion, six hundred thirty-two billion, five hundred seventy-eight million, four hundred ninety-three thousand, nine hundred forty-nine".