2151084641 has 2 divisors, whose sum is σ = 2151084642. Its totient is φ = 2151084640.

The previous prime is 2151084629. The next prime is 2151084751. The reversal of 2151084641 is 1464801512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2147859025 + 3225616 = 46345^2 + 1796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2151084641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2151084598 and 2151084607.

It is not a weakly prime, because it can be changed into another prime (2151084041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075542320 + 1075542321.

It is an arithmetic number, because the mean of its divisors is an integer number (1075542321).

Almost surely, 2^2151084641 is an apocalyptic number.

It is an amenable number.

2151084641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151084641 is an equidigital number, since it uses as much as digits as its factorization.

2151084641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 2151084641 is about 46379.7869874367. The cubic root of 2151084641 is about 1290.8798838575.

The spelling of 2151084641 in words is "two billion, one hundred fifty-one million, eighty-four thousand, six hundred forty-one".