4961892197 has 4 divisors (see below), whose sum is σ = 4962179436. Its totient is φ = 4961604960.

The previous prime is 4961892181. The next prime is 4961892203. The reversal of 4961892197 is 7912981694.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 279090436 + 4682801761 = 16706^2 + 68431^2 .

It is a cyclic number.

It is not a de Polignac number, because 4961892197 - 2⁴ = 4961892181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4961892127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 115928 + ... + 152849.

It is an arithmetic number, because the mean of its divisors is an integer number (1240544859).

Almost surely, 2^4961892197 is an apocalyptic number.

It is an amenable number.

4961892197 is a deficient number, since it is larger than the sum of its proper divisors (287239).

4961892197 is a wasteful number, since it uses less digits than its factorization.

4961892197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287238.

The product of its digits is 1959552, while the sum is 56.

The square root of 4961892197 is about 70440.6998616567. The cubic root of 4961892197 is about 1705.6206346726.

The spelling of 4961892197 in words is "four billion, nine hundred sixty-one million, eight hundred ninety-two thousand, one hundred ninety-seven".