2069961671 has 2 divisors, whose sum is σ = 2069961672. Its totient is φ = 2069961670.

The previous prime is 2069961661. The next prime is 2069961689. The reversal of 2069961671 is 1761699602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2069961671 is a prime.

It is a super-2 number, since 2×2069961671² = 8569482638818224482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2069961601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034980835 + 1034980836.

It is an arithmetic number, because the mean of its divisors is an integer number (1034980836).

Almost surely, 2^2069961671 is an apocalyptic number.

2069961671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2069961671 is an equidigital number, since it uses as much as digits as its factorization.

2069961671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 2069961671 is about 45496.8314391233. The cubic root of 2069961671 is about 1274.4440320621. Note that the first 3 decimals are identical.

The spelling of 2069961671 in words is "two billion, sixty-nine million, nine hundred sixty-one thousand, six hundred seventy-one".