84465611656453 has 2 divisors, whose sum is σ = 84465611656454. Its totient is φ = 84465611656452.

The previous prime is 84465611656411. The next prime is 84465611656487. The reversal of 84465611656453 is 35465611656448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60140366220484 + 24325245435969 = 7755022^2 + 4932063^2 .

It is a cyclic number.

It is not a de Polignac number, because 84465611656453 - 2¹⁷ = 84465611525381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84465621656453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42232805828226 + 42232805828227.

It is an arithmetic number, because the mean of its divisors is an integer number (42232805828227).

Almost surely, 2^{84465611656453} is an apocalyptic number.

It is an amenable number.

84465611656453 is a deficient number, since it is larger than the sum of its proper divisors (1).

84465611656453 is an equidigital number, since it uses as much as digits as its factorization.

84465611656453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832000, while the sum is 64.

The spelling of 84465611656453 in words is "eighty-four trillion, four hundred sixty-five billion, six hundred eleven million, six hundred fifty-six thousand, four hundred fifty-three".