2478723373853 has 2 divisors, whose sum is σ = 2478723373854. Its totient is φ = 2478723373852.

The previous prime is 2478723373837. The next prime is 2478723373909. The reversal of 2478723373853 is 3583733278742.

2478723373853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2256884257849 + 221839116004 = 1502293^2 + 470998^2 .

It is a cyclic number.

It is not a de Polignac number, because 2478723373853 - 2⁴ = 2478723373837 is a prime.

It is a super-2 number, since 2×2478723373853² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2478723373813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239361686926 + 1239361686927.

It is an arithmetic number, because the mean of its divisors is an integer number (1239361686927).

Almost surely, 2^{2478723373853} is an apocalyptic number.

It is an amenable number.

2478723373853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478723373853 is an equidigital number, since it uses as much as digits as its factorization.

2478723373853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142248960, while the sum is 62.

The spelling of 2478723373853 in words is "two trillion, four hundred seventy-eight billion, seven hundred twenty-three million, three hundred seventy-three thousand, eight hundred fifty-three".