2820272553971 has 2 divisors, whose sum is σ = 2820272553972. Its totient is φ = 2820272553970.

The previous prime is 2820272553953. The next prime is 2820272553991. The reversal of 2820272553971 is 1793552720282.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2820272553971 - 2¹⁰ = 2820272552947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2820272553991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410136276985 + 1410136276986.

It is an arithmetic number, because the mean of its divisors is an integer number (1410136276986).

Almost surely, 2^{2820272553971} is an apocalyptic number.

2820272553971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820272553971 is an equidigital number, since it uses as much as digits as its factorization.

2820272553971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 2820272553971 in words is "two trillion, eight hundred twenty billion, two hundred seventy-two million, five hundred fifty-three thousand, nine hundred seventy-one".