614853821957 has 2 divisors, whose sum is σ = 614853821958. Its totient is φ = 614853821956.

The previous prime is 614853821899. The next prime is 614853821993. The reversal of 614853821957 is 759128358416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361241869156 + 253611952801 = 601034^2 + 503599^2 .

It is a cyclic number.

It is not a de Polignac number, because 614853821957 - 2²⁴ = 614837044741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 614853821896 and 614853821905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (614853821357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307426910978 + 307426910979.

It is an arithmetic number, because the mean of its divisors is an integer number (307426910979).

Almost surely, 2^614853821957 is an apocalyptic number.

It is an amenable number.

614853821957 is a deficient number, since it is larger than the sum of its proper divisors (1).

614853821957 is an equidigital number, since it uses as much as digits as its factorization.

614853821957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 59.

The spelling of 614853821957 in words is "six hundred fourteen billion, eight hundred fifty-three million, eight hundred twenty-one thousand, nine hundred fifty-seven".