2190418247 has 8 divisors (see below), whose sum is σ = 2229120000. Its totient is φ = 2151769144.

The previous prime is 2190418229. The next prime is 2190418277. The reversal of 2190418247 is 7428140912.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2190418247 - 2⁶ = 2190418183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2190418247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190418277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76058 + ... + 100824.

It is an arithmetic number, because the mean of its divisors is an integer number (278640000).

Almost surely, 2^2190418247 is an apocalyptic number.

2190418247 is a deficient number, since it is larger than the sum of its proper divisors (38701753).

2190418247 is a wasteful number, since it uses less digits than its factorization.

2190418247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26325.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2190418247 is about 46801.9043095471. The cubic root of 2190418247 is about 1298.7005253492.

The spelling of 2190418247 in words is "two billion, one hundred ninety million, four hundred eighteen thousand, two hundred forty-seven".