853930861603 has 2 divisors, whose sum is σ = 853930861604. Its totient is φ = 853930861602.

The previous prime is 853930861561. The next prime is 853930861643. The reversal of 853930861603 is 306168039358.

853930861603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 853930861603 - 2³⁷ = 716491908131 is a prime.

It is not a weakly prime, because it can be changed into another prime (853930861643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426965430801 + 426965430802.

It is an arithmetic number, because the mean of its divisors is an integer number (426965430802).

Almost surely, 2^853930861603 is an apocalyptic number.

853930861603 is a deficient number, since it is larger than the sum of its proper divisors (1).

853930861603 is an equidigital number, since it uses as much as digits as its factorization.

853930861603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 853930861603 in words is "eight hundred fifty-three billion, nine hundred thirty million, eight hundred sixty-one thousand, six hundred three".