52780292905369 has 2 divisors, whose sum is σ = 52780292905370. Its totient is φ = 52780292905368.

The previous prime is 52780292905273. The next prime is 52780292905427. The reversal of 52780292905369 is 96350929208725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43932571267225 + 8847721638144 = 6628165^2 + 2974512^2 .

It is a cyclic number.

It is not a de Polignac number, because 52780292905369 - 2²⁹ = 52779756034457 is a prime.

It is a super-2 number, since 2×52780292905369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52780292905969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26390146452684 + 26390146452685.

It is an arithmetic number, because the mean of its divisors is an integer number (26390146452685).

Almost surely, 2^{52780292905369} is an apocalyptic number.

It is an amenable number.

52780292905369 is a deficient number, since it is larger than the sum of its proper divisors (1).

52780292905369 is an equidigital number, since it uses as much as digits as its factorization.

52780292905369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 146966400, while the sum is 67.

The spelling of 52780292905369 in words is "fifty-two trillion, seven hundred eighty billion, two hundred ninety-two million, nine hundred five thousand, three hundred sixty-nine".