2195418087 has 20 divisors (see below), whose sum is σ = 3283727040. Its totient is φ = 1461759264.

The previous prime is 2195418083. The next prime is 2195418089. The reversal of 2195418087 is 7808145912.

2195418087 is a `hidden beast` number, since 21 + 9 + 541 + 8 + 0 + 87 = 666.

It is not a de Polignac number, because 2195418087 - 2² = 2195418083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195418083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48778 + ... + 82280.

It is an arithmetic number, because the mean of its divisors is an integer number (164186352).

Almost surely, 2^2195418087 is an apocalyptic number.

2195418087 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2195418087 is a deficient number, since it is larger than the sum of its proper divisors (1088308953).

2195418087 is an equidigital number, since it uses as much as digits as its factorization.

2195418087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34324 (or 34315 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 2195418087 is about 46855.2887836581. The cubic root of 2195418087 is about 1299.6879106847.

The spelling of 2195418087 in words is "two billion, one hundred ninety-five million, four hundred eighteen thousand, eighty-seven".