80247187745453 has 2 divisors, whose sum is σ = 80247187745454. Its totient is φ = 80247187745452.

The previous prime is 80247187745423. The next prime is 80247187745471. The reversal of 80247187745453 is 35454778174208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77999596100644 + 2247591644809 = 8831738^2 + 1499197^2 .

It is a cyclic number.

It is not a de Polignac number, because 80247187745453 - 2¹⁴ = 80247187729069 is a prime.

It is a super-2 number, since 2×80247187745453² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80247187745453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80247187745423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40123593872726 + 40123593872727.

It is an arithmetic number, because the mean of its divisors is an integer number (40123593872727).

Almost surely, 2^{80247187745453} is an apocalyptic number.

It is an amenable number.

80247187745453 is a deficient number, since it is larger than the sum of its proper divisors (1).

80247187745453 is an equidigital number, since it uses as much as digits as its factorization.

80247187745453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210739200, while the sum is 65.

The spelling of 80247187745453 in words is "eighty trillion, two hundred forty-seven billion, one hundred eighty-seven million, seven hundred forty-five thousand, four hundred fifty-three".