4987569155 has 4 divisors (see below), whose sum is σ = 5985082992. Its totient is φ = 3990055320.

The previous prime is 4987569151. The next prime is 4987569229. The reversal of 4987569155 is 5519657894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5519657894 = 2 ⋅2759828947.

It is not a de Polignac number, because 4987569155 - 2² = 4987569151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4987569094 and 4987569103.

It is not an unprimeable number, because it can be changed into a prime (4987569151) 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, 498756911 + ... + 498756920.

It is an arithmetic number, because the mean of its divisors is an integer number (1496270748).

Almost surely, 2^4987569155 is an apocalyptic number.

4987569155 is a deficient number, since it is larger than the sum of its proper divisors (997513837).

4987569155 is an equidigital number, since it uses as much as digits as its factorization.

4987569155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997513836.

The product of its digits is 13608000, while the sum is 59.

The square root of 4987569155 is about 70622.7240695231. The cubic root of 4987569155 is about 1708.5576742751.

The spelling of 4987569155 in words is "four billion, nine hundred eighty-seven million, five hundred sixty-nine thousand, one hundred fifty-five".