2268198081495 has 12 divisors (see below), whose sum is σ = 3931543341336. Its totient is φ = 1209705643440.

The previous prime is 2268198081481. The next prime is 2268198081509. The reversal of 2268198081495 is 5941808918622.

2268198081495 is a `hidden beast` number, since 2 + 2 + 68 + 1 + 9 + 8 + 0 + 81 + 495 = 666.

It is an interprime number because it is at equal distance from previous prime (2268198081481) and next prime (2268198081509).

It is not a de Polignac number, because 2268198081495 - 2¹³ = 2268198073303 is a prime.

It is a super-2 number, since 2×2268198081495² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25202200861 + ... + 25202200950.

It is an arithmetic number, because the mean of its divisors is an integer number (327628611778).

Almost surely, 2^{2268198081495} is an apocalyptic number.

2268198081495 is a deficient number, since it is larger than the sum of its proper divisors (1663345259841).

2268198081495 is a wasteful number, since it uses less digits than its factorization.

2268198081495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50404401822 (or 50404401819 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The spelling of 2268198081495 in words is "two trillion, two hundred sixty-eight billion, one hundred ninety-eight million, eighty-one thousand, four hundred ninety-five".