4651091087 has 12 divisors (see below), whose sum is σ = 4806478440. Its totient is φ = 4500277488.

The previous prime is 4651091077. The next prime is 4651091099. The reversal of 4651091087 is 7801901564.

It is not a de Polignac number, because 4651091087 - 2¹⁰ = 4651090063 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4651091017) 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, 186089 + ... + 209597.

It is an arithmetic number, because the mean of its divisors is an integer number (400539870).

Almost surely, 2^4651091087 is an apocalyptic number.

4651091087 is a deficient number, since it is larger than the sum of its proper divisors (155387353).

4651091087 is a wasteful number, since it uses less digits than its factorization.

4651091087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23702 (or 23659 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 4651091087 is about 68198.9082537250. The cubic root of 4651091087 is about 1669.2380722349.

The spelling of 4651091087 in words is "four billion, six hundred fifty-one million, ninety-one thousand, eighty-seven".