4897485308189 has 4 divisors (see below), whose sum is σ = 4905397239840. Its totient is φ = 4889573376540.

The previous prime is 4897485308143. The next prime is 4897485308197. The reversal of 4897485308189 is 9818035847984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4897485308189 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 (4897485308129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3955964897 + ... + 3955966134.

It is an arithmetic number, because the mean of its divisors is an integer number (1226349309960).

Almost surely, 2^{4897485308189} is an apocalyptic number.

It is an amenable number.

4897485308189 is a deficient number, since it is larger than the sum of its proper divisors (7911931651).

4897485308189 is an equidigital number, since it uses as much as digits as its factorization.

4897485308189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911931650.

The product of its (nonzero) digits is 557383680, while the sum is 74.

The spelling of 4897485308189 in words is "four trillion, eight hundred ninety-seven billion, four hundred eighty-five million, three hundred eight thousand, one hundred eighty-nine".