2497948809289 has 2 divisors, whose sum is σ = 2497948809290. Its totient is φ = 2497948809288.

The previous prime is 2497948809269. The next prime is 2497948809481. The reversal of 2497948809289 is 9829088497942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2339936199225 + 158012610064 = 1529685^2 + 397508^2 .

It is a cyclic number.

It is not a de Polignac number, because 2497948809289 - 2¹³ = 2497948801097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2497948809229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248974404644 + 1248974404645.

It is an arithmetic number, because the mean of its divisors is an integer number (1248974404645).

Almost surely, 2^{2497948809289} is an apocalyptic number.

It is an amenable number.

2497948809289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2497948809289 is an equidigital number, since it uses as much as digits as its factorization.

2497948809289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1504935936, while the sum is 79.

The spelling of 2497948809289 in words is "two trillion, four hundred ninety-seven billion, nine hundred forty-eight million, eight hundred nine thousand, two hundred eighty-nine".