2451984791671 has 2 divisors, whose sum is σ = 2451984791672. Its totient is φ = 2451984791670.

The previous prime is 2451984791657. The next prime is 2451984791803. The reversal of 2451984791671 is 1761974891542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2451984791671 - 2²⁹ = 2451447920759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2451984791171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225992395835 + 1225992395836.

It is an arithmetic number, because the mean of its divisors is an integer number (1225992395836).

Almost surely, 2^{2451984791671} is an apocalyptic number.

2451984791671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2451984791671 is an equidigital number, since it uses as much as digits as its factorization.

2451984791671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 64.

The spelling of 2451984791671 in words is "two trillion, four hundred fifty-one billion, nine hundred eighty-four million, seven hundred ninety-one thousand, six hundred seventy-one".