2481648997 has 2 divisors, whose sum is σ = 2481648998. Its totient is φ = 2481648996.

The previous prime is 2481648989. The next prime is 2481649007. The reversal of 2481648997 is 7998461842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2002652001 + 478996996 = 44751^2 + 21886^2 .

It is a cyclic number.

It is not a de Polignac number, because 2481648997 - 2³ = 2481648989 is a prime.

It is a super-2 number, since 2×2481648997² = 12317163488622212018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2481648907) 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 as a sum of consecutive naturals, namely, 1240824498 + 1240824499.

It is an arithmetic number, because the mean of its divisors is an integer number (1240824499).

Almost surely, 2^2481648997 is an apocalyptic number.

It is an amenable number.

2481648997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481648997 is an equidigital number, since it uses as much as digits as its factorization.

2481648997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 58.

The square root of 2481648997 is about 49816.1519690150. The cubic root of 2481648997 is about 1353.8798305627.

The spelling of 2481648997 in words is "two billion, four hundred eighty-one million, six hundred forty-eight thousand, nine hundred ninety-seven".