2406623731217 has 2 divisors, whose sum is σ = 2406623731218. Its totient is φ = 2406623731216.

The previous prime is 2406623731151. The next prime is 2406623731231. The reversal of 2406623731217 is 7121373266042.

2406623731217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1701344574736 + 705279156481 = 1304356^2 + 839809^2 .

It is a cyclic number.

It is not a de Polignac number, because 2406623731217 - 2²² = 2406619536913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2406623731117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203311865608 + 1203311865609.

It is an arithmetic number, because the mean of its divisors is an integer number (1203311865609).

Almost surely, 2^{2406623731217} is an apocalyptic number.

It is an amenable number.

2406623731217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406623731217 is an equidigital number, since it uses as much as digits as its factorization.

2406623731217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 44.

Adding to 2406623731217 its reverse (7121373266042), we get a palindrome (9527996997259).

The spelling of 2406623731217 in words is "two trillion, four hundred six billion, six hundred twenty-three million, seven hundred thirty-one thousand, two hundred seventeen".