2071889401 has 2 divisors, whose sum is σ = 2071889402. Its totient is φ = 2071889400.

The previous prime is 2071889387. The next prime is 2071889419. The reversal of 2071889401 is 1049881702.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1700325225 + 371564176 = 41235^2 + 19276^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071889401 - 2¹¹ = 2071887353 is a prime.

It is a super-2 number, since 2×2071889401² = 8585451379952277602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2071889101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035944700 + 1035944701.

It is an arithmetic number, because the mean of its divisors is an integer number (1035944701).

Almost surely, 2^2071889401 is an apocalyptic number.

It is an amenable number.

2071889401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071889401 is an equidigital number, since it uses as much as digits as its factorization.

2071889401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 2071889401 is about 45518.0118304831. The cubic root of 2071889401 is about 1274.8395340280.

The spelling of 2071889401 in words is "two billion, seventy-one million, eight hundred eighty-nine thousand, four hundred one".