2418278417 has 2 divisors, whose sum is σ = 2418278418. Its totient is φ = 2418278416.

The previous prime is 2418278383. The next prime is 2418278437. The reversal of 2418278417 is 7148728142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2242874881 + 175403536 = 47359^2 + 13244^2 .

It is a cyclic number.

It is not a de Polignac number, because 2418278417 - 2¹⁸ = 2418016273 is a prime.

It is not a weakly prime, because it can be changed into another prime (2418278437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1209139208 + 1209139209.

It is an arithmetic number, because the mean of its divisors is an integer number (1209139209).

Almost surely, 2^2418278417 is an apocalyptic number.

It is an amenable number.

2418278417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2418278417 is an equidigital number, since it uses as much as digits as its factorization.

2418278417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 200704, while the sum is 44.

The square root of 2418278417 is about 49175.9943163328. The cubic root of 2418278417 is about 1342.2562451054.

The spelling of 2418278417 in words is "two billion, four hundred eighteen million, two hundred seventy-eight thousand, four hundred seventeen".