2448781697 has 2 divisors, whose sum is σ = 2448781698. Its totient is φ = 2448781696.

The previous prime is 2448781679. The next prime is 2448781739. The reversal of 2448781697 is 7961878442.

Together with previous prime (2448781679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2447379841 + 1401856 = 49471^2 + 1184^2 .

It is a cyclic number.

It is not a de Polignac number, because 2448781697 - 2²⁶ = 2381672833 is a prime.

It is not a weakly prime, because it can be changed into another prime (2448781627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224390848 + 1224390849.

It is an arithmetic number, because the mean of its divisors is an integer number (1224390849).

Almost surely, 2^2448781697 is an apocalyptic number.

It is an amenable number.

2448781697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2448781697 is an equidigital number, since it uses as much as digits as its factorization.

2448781697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 56.

The square root of 2448781697 is about 49485.1664339931. The cubic root of 2448781697 is about 1347.8762578769.

The spelling of 2448781697 in words is "two billion, four hundred forty-eight million, seven hundred eighty-one thousand, six hundred ninety-seven".