2154082076547 has 8 divisors (see below), whose sum is σ = 2919193196880. Its totient is φ = 1412512836960.

The previous prime is 2154082076533. The next prime is 2154082076561. The reversal of 2154082076547 is 7456702804512.

It is an interprime number because it is at equal distance from previous prime (2154082076533) and next prime (2154082076561).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2154082076547 - 2⁶ = 2154082076483 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154082076547.

It is not an unprimeable number, because it can be changed into a prime (2154082076147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5885469972 + ... + 5885470337.

It is an arithmetic number, because the mean of its divisors is an integer number (364899149610).

Almost surely, 2^{2154082076547} is an apocalyptic number.

2154082076547 is a deficient number, since it is larger than the sum of its proper divisors (765111120333).

2154082076547 is a wasteful number, since it uses less digits than its factorization.

2154082076547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770940373.

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 2154082076547 in words is "two trillion, one hundred fifty-four billion, eighty-two million, seventy-six thousand, five hundred forty-seven".