2086206739 has 2 divisors, whose sum is σ = 2086206740. Its totient is φ = 2086206738.

The previous prime is 2086206709. The next prime is 2086206763. The reversal of 2086206739 is 9376026802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2086206739 is a prime.

It is a super-3 number, since 3×2086206739³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2086206695 and 2086206704.

It is not a weakly prime, because it can be changed into another prime (2086206709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043103369 + 1043103370.

It is an arithmetic number, because the mean of its divisors is an integer number (1043103370).

Almost surely, 2^2086206739 is an apocalyptic number.

2086206739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086206739 is an equidigital number, since it uses as much as digits as its factorization.

2086206739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 2086206739 is about 45675.0121948533. The cubic root of 2086206739 is about 1277.7692956746.

The spelling of 2086206739 in words is "two billion, eighty-six million, two hundred six thousand, seven hundred thirty-nine".