2086051381 has 2 divisors, whose sum is σ = 2086051382. Its totient is φ = 2086051380.

The previous prime is 2086051361. The next prime is 2086051391. The reversal of 2086051381 is 1831506802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1211666481 + 874384900 = 34809^2 + 29570^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086051381 - 2¹³ = 2086043189 is a prime.

It is a super-2 number, since 2×2086051381² = 8703220728344014322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2086051301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043025690 + 1043025691.

It is an arithmetic number, because the mean of its divisors is an integer number (1043025691).

Almost surely, 2^2086051381 is an apocalyptic number.

It is an amenable number.

2086051381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086051381 is an equidigital number, since it uses as much as digits as its factorization.

2086051381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 2086051381 is about 45673.3114739888. The cubic root of 2086051381 is about 1277.7375767648.

The spelling of 2086051381 in words is "two billion, eighty-six million, fifty-one thousand, three hundred eighty-one".