84115140715453 has 2 divisors, whose sum is σ = 84115140715454. Its totient is φ = 84115140715452.

The previous prime is 84115140715303. The next prime is 84115140715483. The reversal of 84115140715453 is 35451704151148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83127019229604 + 988121485849 = 9117402^2 + 994043^2 .

It is a cyclic number.

It is not a de Polignac number, because 84115140715453 - 2⁴¹ = 81916117459901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84115140715397 and 84115140715406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84115140715483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42057570357726 + 42057570357727.

It is an arithmetic number, because the mean of its divisors is an integer number (42057570357727).

Almost surely, 2^{84115140715453} is an apocalyptic number.

It is an amenable number.

84115140715453 is a deficient number, since it is larger than the sum of its proper divisors (1).

84115140715453 is an equidigital number, since it uses as much as digits as its factorization.

84115140715453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344000, while the sum is 49.

The spelling of 84115140715453 in words is "eighty-four trillion, one hundred fifteen billion, one hundred forty million, seven hundred fifteen thousand, four hundred fifty-three".