2087301893 has 2 divisors, whose sum is σ = 2087301894. Its totient is φ = 2087301892.

The previous prime is 2087301863. The next prime is 2087301907. The reversal of 2087301893 is 3981037802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2057348164 + 29953729 = 45358^2 + 5473^2 .

It is a cyclic number.

It is not a de Polignac number, because 2087301893 - 2¹⁴ = 2087285509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2087301893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2087301833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043650946 + 1043650947.

It is an arithmetic number, because the mean of its divisors is an integer number (1043650947).

Almost surely, 2^2087301893 is an apocalyptic number.

It is an amenable number.

2087301893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087301893 is an equidigital number, since it uses as much as digits as its factorization.

2087301893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 2087301893 is about 45686.9991682535. Note that the first 3 decimals coincide. The cubic root of 2087301893 is about 1277.9928448459.

The spelling of 2087301893 in words is "two billion, eighty-seven million, three hundred one thousand, eight hundred ninety-three".