84152414557469 has 4 divisors (see below), whose sum is σ = 84163663383900. Its totient is φ = 84141165731040.

The previous prime is 84152414557397. The next prime is 84152414557489. The reversal of 84152414557469 is 96475541425148.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54879575205625 + 29272839351844 = 7408075^2 + 5410438^2 .

It is a cyclic number.

It is not a de Polignac number, because 84152414557469 - 2²⁸ = 84152146122013 is a prime.

It is a super-2 number, since 2×84152414557469² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84152414557489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624401994 + ... + 5624416955.

It is an arithmetic number, because the mean of its divisors is an integer number (21040915845975).

Almost surely, 2^{84152414557469} is an apocalyptic number.

It is an amenable number.

84152414557469 is a deficient number, since it is larger than the sum of its proper divisors (11248826431).

84152414557469 is a wasteful number, since it uses less digits than its factorization.

84152414557469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248826430.

The product of its digits is 193536000, while the sum is 65.

The spelling of 84152414557469 in words is "eighty-four trillion, one hundred fifty-two billion, four hundred fourteen million, five hundred fifty-seven thousand, four hundred sixty-nine".