4891392245 has 8 divisors (see below), whose sum is σ = 5871053184. Its totient is φ = 3912192144.

The previous prime is 4891392239. The next prime is 4891392283. The reversal of 4891392245 is 5422931984.

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 4891392245 - 2³² = 596424949 is a prime.

It is a super-2 number, since 2×4891392245² = 47851436188892280050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4891392245.

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 7 ways as a sum of consecutive naturals, for example, 91409 + ... + 134678.

It is an arithmetic number, because the mean of its divisors is an integer number (733881648).

Almost surely, 2^4891392245 is an apocalyptic number.

It is an amenable number.

4891392245 is a deficient number, since it is larger than the sum of its proper divisors (979660939).

4891392245 is a wasteful number, since it uses less digits than its factorization.

4891392245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230419.

The product of its digits is 622080, while the sum is 47.

The square root of 4891392245 is about 69938.4890099865. The cubic root of 4891392245 is about 1697.5040934077.

The spelling of 4891392245 in words is "four billion, eight hundred ninety-one million, three hundred ninety-two thousand, two hundred forty-five".