84265148457361 has 2 divisors, whose sum is σ = 84265148457362. Its totient is φ = 84265148457360.

The previous prime is 84265148457353. The next prime is 84265148457403. The reversal of 84265148457361 is 16375484156248.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83586567919761 + 678580537600 = 9142569^2 + 823760^2 .

It is a cyclic number.

It is not a de Polignac number, because 84265148457361 - 2³ = 84265148457353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84265148457293 and 84265148457302.

It is not a weakly prime, because it can be changed into another prime (84265148455361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42132574228680 + 42132574228681.

It is an arithmetic number, because the mean of its divisors is an integer number (42132574228681).

Almost surely, 2^{84265148457361} is an apocalyptic number.

It is an amenable number.

84265148457361 is a deficient number, since it is larger than the sum of its proper divisors (1).

84265148457361 is an equidigital number, since it uses as much as digits as its factorization.

84265148457361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154828800, while the sum is 64.

The spelling of 84265148457361 in words is "eighty-four trillion, two hundred sixty-five billion, one hundred forty-eight million, four hundred fifty-seven thousand, three hundred sixty-one".