4680647491 has 6 divisors (see below), whose sum is σ = 5068393620. Its totient is φ = 4320597528.

The previous prime is 4680647479. The next prime is 4680647509. The reversal of 4680647491 is 1947460864.

It is not a de Polignac number, because 4680647491 - 2¹⁷ = 4680516419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4680647431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13847901 + ... + 13848238.

It is an arithmetic number, because the mean of its divisors is an integer number (844732270).

Almost surely, 2^4680647491 is an apocalyptic number.

4680647491 is a deficient number, since it is larger than the sum of its proper divisors (387746129).

4680647491 is a wasteful number, since it uses less digits than its factorization.

4680647491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27696165 (or 27696152 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 4680647491 is about 68415.2577353912. The cubic root of 4680647491 is about 1672.7664583212.

The spelling of 4680647491 in words is "four billion, six hundred eighty million, six hundred forty-seven thousand, four hundred ninety-one".