2820152124671 has 4 divisors (see below), whose sum is σ = 3223030999632. Its totient is φ = 2417273249712.

The previous prime is 2820152124649. The next prime is 2820152124677. The reversal of 2820152124671 is 1764212510282.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2820152124671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820152124677) 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, 201439437470 + ... + 201439437483.

It is an arithmetic number, because the mean of its divisors is an integer number (805757749908).

Almost surely, 2^{2820152124671} is an apocalyptic number.

2820152124671 is a deficient number, since it is larger than the sum of its proper divisors (402878874961).

2820152124671 is an equidigital number, since it uses as much as digits as its factorization.

2820152124671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402878874960.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 2820152124671 in words is "two trillion, eight hundred twenty billion, one hundred fifty-two million, one hundred twenty-four thousand, six hundred seventy-one".