53302784869 has 2 divisors, whose sum is σ = 53302784870. Its totient is φ = 53302784868.

The previous prime is 53302784831. The next prime is 53302784897. The reversal of 53302784869 is 96848720335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36490550625 + 16812234244 = 191025^2 + 129662^2 .

It is a cyclic number.

It is not a de Polignac number, because 53302784869 - 2¹⁵ = 53302752101 is a prime.

It is a super-2 number, since 2×53302784869² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53302784819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26651392434 + 26651392435.

It is an arithmetic number, because the mean of its divisors is an integer number (26651392435).

Almost surely, 2^53302784869 is an apocalyptic number.

It is an amenable number.

53302784869 is a deficient number, since it is larger than the sum of its proper divisors (1).

53302784869 is an equidigital number, since it uses as much as digits as its factorization.

53302784869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 53302784869 in words is "fifty-three billion, three hundred two million, seven hundred eighty-four thousand, eight hundred sixty-nine".