4890661797 has 16 divisors (see below), whose sum is σ = 7463370240. Its totient is φ = 2790563952.

The previous prime is 4890661781. The next prime is 4890661817. The reversal of 4890661797 is 7971660984.

It is not a de Polignac number, because 4890661797 - 2⁴ = 4890661781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890661747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156147 + ... + 184832.

It is an arithmetic number, because the mean of its divisors is an integer number (466460640).

Almost surely, 2^4890661797 is an apocalyptic number.

It is an amenable number.

4890661797 is a deficient number, since it is larger than the sum of its proper divisors (2572708443).

4890661797 is a wasteful number, since it uses less digits than its factorization.

4890661797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341672.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 4890661797 is about 69933.2667405148. The cubic root of 4890661797 is about 1697.4195912091.

The spelling of 4890661797 in words is "four billion, eight hundred ninety million, six hundred sixty-one thousand, seven hundred ninety-seven".