2151588841 has 2 divisors, whose sum is σ = 2151588842. Its totient is φ = 2151588840.

The previous prime is 2151588781. The next prime is 2151588847. The reversal of 2151588841 is 1488851512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2138600025 + 12988816 = 46245^2 + 3604^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151588841 - 2⁷ = 2151588713 is a prime.

It is not a weakly prime, because it can be changed into another prime (2151588847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075794420 + 1075794421.

It is an arithmetic number, because the mean of its divisors is an integer number (1075794421).

Almost surely, 2^2151588841 is an apocalyptic number.

It is an amenable number.

2151588841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151588841 is an equidigital number, since it uses as much as digits as its factorization.

2151588841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102400, while the sum is 43.

The square root of 2151588841 is about 46385.2222264807. Note that the first 5 decimals coincide. The cubic root of 2151588841 is about 1290.9807338782.

The spelling of 2151588841 in words is "two billion, one hundred fifty-one million, five hundred eighty-eight thousand, eight hundred forty-one".