1373727853 has 2 divisors, whose sum is σ = 1373727854. Its totient is φ = 1373727852.

The previous prime is 1373727847. The next prime is 1373727899. The reversal of 1373727853 is 3587273731.

It is an a-pointer prime, because the next prime (1373727899) can be obtained adding 1373727853 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1262594089 + 111133764 = 35533^2 + 10542^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373727853 - 2⁵ = 1373727821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373727253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686863926 + 686863927.

It is an arithmetic number, because the mean of its divisors is an integer number (686863927).

Almost surely, 2^1373727853 is an apocalyptic number.

It is an amenable number.

1373727853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373727853 is an equidigital number, since it uses as much as digits as its factorization.

1373727853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 46.

The square root of 1373727853 is about 37063.8348393687. The cubic root of 1373727853 is about 1111.6470025475.

The spelling of 1373727853 in words is "one billion, three hundred seventy-three million, seven hundred twenty-seven thousand, eight hundred fifty-three".