2420440331297 has 2 divisors, whose sum is σ = 2420440331298. Its totient is φ = 2420440331296.

The previous prime is 2420440331263. The next prime is 2420440331327. The reversal of 2420440331297 is 7921330440242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2417888161936 + 2552169361 = 1554956^2 + 50519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420440331297 is a prime.

It is a super-2 number, since 2×2420440331297² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2420440331237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210220165648 + 1210220165649.

It is an arithmetic number, because the mean of its divisors is an integer number (1210220165649).

Almost surely, 2^{2420440331297} is an apocalyptic number.

It is an amenable number.

2420440331297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420440331297 is an equidigital number, since it uses as much as digits as its factorization.

2420440331297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 2420440331297 in words is "two trillion, four hundred twenty billion, four hundred forty million, three hundred thirty-one thousand, two hundred ninety-seven".