8891150461 has 2 divisors, whose sum is σ = 8891150462. Its totient is φ = 8891150460.

The previous prime is 8891150459. The next prime is 8891150473. The reversal of 8891150461 is 1640511988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8587728900 + 303421561 = 92670^2 + 17419^2 .

It is a cyclic number.

It is not a de Polignac number, because 8891150461 - 2¹ = 8891150459 is a prime.

Together with 8891150459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8891150761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4445575230 + 4445575231.

It is an arithmetic number, because the mean of its divisors is an integer number (4445575231).

Almost surely, 2^8891150461 is an apocalyptic number.

It is an amenable number.

8891150461 is a deficient number, since it is larger than the sum of its proper divisors (1).

8891150461 is an equidigital number, since it uses as much as digits as its factorization.

8891150461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 43.

The square root of 8891150461 is about 94292.8971927366. The cubic root of 8891150461 is about 2071.6640031648.

The spelling of 8891150461 in words is "eight billion, eight hundred ninety-one million, one hundred fifty thousand, four hundred sixty-one".