2147969671 has 2 divisors, whose sum is σ = 2147969672. Its totient is φ = 2147969670.

The previous prime is 2147969657. The next prime is 2147969713. The reversal of 2147969671 is 1769697412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2147969671 - 2⁷ = 2147969543 is a prime.

It is a super-2 number, since 2×2147969671² = 9227547415071696482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2147967671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073984835 + 1073984836.

It is an arithmetic number, because the mean of its divisors is an integer number (1073984836).

Almost surely, 2^2147969671 is an apocalyptic number.

2147969671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147969671 is an equidigital number, since it uses as much as digits as its factorization.

2147969671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 52.

The square root of 2147969671 is about 46346.1937056324. The cubic root of 2147969671 is about 1290.2564782586.

The spelling of 2147969671 in words is "two billion, one hundred forty-seven million, nine hundred sixty-nine thousand, six hundred seventy-one".