4897661967 has 12 divisors (see below), whose sum is σ = 7717528104. Its totient is φ = 2968279920.

The previous prime is 4897661947. The next prime is 4897661983. The reversal of 4897661967 is 7691667984.

4897661967 is a `hidden beast` number, since 4 + 8 + 9 + 7 + 6 + 619 + 6 + 7 = 666.

It is not a de Polignac number, because 4897661967 - 2²⁴ = 4880884751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4897661927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24735568 + ... + 24735765.

It is an arithmetic number, because the mean of its divisors is an integer number (643127342).

Almost surely, 2^4897661967 is an apocalyptic number.

4897661967 is a deficient number, since it is larger than the sum of its proper divisors (2819866137).

4897661967 is a wasteful number, since it uses less digits than its factorization.

4897661967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49471350 (or 49471347 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 4897661967 is about 69983.2977716826. The cubic root of 4897661967 is about 1698.2290631887.

The spelling of 4897661967 in words is "four billion, eight hundred ninety-seven million, six hundred sixty-one thousand, nine hundred sixty-seven".