2039869687 has 2 divisors, whose sum is σ = 2039869688. Its totient is φ = 2039869686.

The previous prime is 2039869651. The next prime is 2039869691. The reversal of 2039869687 is 7869689302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2039869687 is a prime.

It is a super-2 number, since 2×2039869687² = 8322136679882955938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2039861687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019934843 + 1019934844.

It is an arithmetic number, because the mean of its divisors is an integer number (1019934844).

Almost surely, 2^2039869687 is an apocalyptic number.

2039869687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2039869687 is an equidigital number, since it uses as much as digits as its factorization.

2039869687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The square root of 2039869687 is about 45164.9165503491. The cubic root of 2039869687 is about 1268.2381353655.

The spelling of 2039869687 in words is "two billion, thirty-nine million, eight hundred sixty-nine thousand, six hundred eighty-seven".