618269652053 has 2 divisors, whose sum is σ = 618269652054. Its totient is φ = 618269652052.

The previous prime is 618269651971. The next prime is 618269652067. The reversal of 618269652053 is 350256962816.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487960925764 + 130308726289 = 698542^2 + 360983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-618269652053 is a prime.

It is a super-2 number, since 2×618269652053² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 618269651986 and 618269652004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618269654053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309134826026 + 309134826027.

It is an arithmetic number, because the mean of its divisors is an integer number (309134826027).

Almost surely, 2^618269652053 is an apocalyptic number.

It is an amenable number.

618269652053 is a deficient number, since it is larger than the sum of its proper divisors (1).

618269652053 is an equidigital number, since it uses as much as digits as its factorization.

618269652053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 618269652053 in words is "six hundred eighteen billion, two hundred sixty-nine million, six hundred fifty-two thousand, fifty-three".