53868703851931 has 2 divisors, whose sum is σ = 53868703851932. Its totient is φ = 53868703851930.

The previous prime is 53868703851923. The next prime is 53868703852037. The reversal of 53868703851931 is 13915830786835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53868703851931 - 2³ = 53868703851923 is a prime.

It is a super-2 number, since 2×53868703851931² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53868703851901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26934351925965 + 26934351925966.

It is an arithmetic number, because the mean of its divisors is an integer number (26934351925966).

Almost surely, 2^{53868703851931} is an apocalyptic number.

53868703851931 is a deficient number, since it is larger than the sum of its proper divisors (1).

53868703851931 is an equidigital number, since it uses as much as digits as its factorization.

53868703851931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 130636800, while the sum is 67.

The spelling of 53868703851931 in words is "fifty-three trillion, eight hundred sixty-eight billion, seven hundred three million, eight hundred fifty-one thousand, nine hundred thirty-one".