4869387961 has 9 divisors (see below), whose sum is σ = 5033768229. Its totient is φ = 4710217500.

The previous prime is 4869387907. The next prime is 4869387973. The reversal of 4869387961 is 1697839684.

The square root of 4869387961 is 69781.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 4869387961 - 2⁷ = 4869387833 is a prime.

It is a super-2 number, since 2×4869387961² = 47421878229463475042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4869387961.

It is not an unprimeable number, because it can be changed into a prime (4867387961) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2162086 + ... + 2164336.

It is an arithmetic number, because the mean of its divisors is an integer number (559307581).

Almost surely, 2^4869387961 is an apocalyptic number.

4869387961 is the 69781-st square number.

4869387961 is the 34891-st centered octagonal number.

It is an amenable number.

4869387961 is a deficient number, since it is larger than the sum of its proper divisors (164380268).

4869387961 is an frugal number, since it uses more digits than its factorization.

4869387961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564 (or 2282 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 61.

The cubic root of 4869387961 is about 1694.9548183093.

The spelling of 4869387961 in words is "four billion, eight hundred sixty-nine million, three hundred eighty-seven thousand, nine hundred sixty-one".