4560619991 has 2 divisors, whose sum is σ = 4560619992. Its totient is φ = 4560619990.

The previous prime is 4560619967. The next prime is 4560620041. The reversal of 4560619991 is 1999160654.

It is an a-pointer prime, because the next prime (4560620041) can be obtained adding 4560619991 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4560619991 - 2¹⁸ = 4560357847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4560613991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2280309995 + 2280309996.

It is an arithmetic number, because the mean of its divisors is an integer number (2280309996).

Almost surely, 2^4560619991 is an apocalyptic number.

4560619991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4560619991 is an equidigital number, since it uses as much as digits as its factorization.

4560619991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 4560619991 is about 67532.3625456714. The cubic root of 4560619991 is about 1658.3440193336.

The spelling of 4560619991 in words is "four billion, five hundred sixty million, six hundred nineteen thousand, nine hundred ninety-one".