4278016540253 has 2 divisors, whose sum is σ = 4278016540254. Its totient is φ = 4278016540252.

The previous prime is 4278016540247. The next prime is 4278016540333. The reversal of 4278016540253 is 3520456108724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4050546684409 + 227469855844 = 2012597^2 + 476938^2 .

It is a cyclic number.

It is not a de Polignac number, because 4278016540253 - 2²⁰ = 4278015491677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4278016540198 and 4278016540207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4238016540253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139008270126 + 2139008270127.

It is an arithmetic number, because the mean of its divisors is an integer number (2139008270127).

Almost surely, 2^{4278016540253} is an apocalyptic number.

It is an amenable number.

4278016540253 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278016540253 is an equidigital number, since it uses as much as digits as its factorization.

4278016540253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 4278016540253 in words is "four trillion, two hundred seventy-eight billion, sixteen million, five hundred forty thousand, two hundred fifty-three".