2071481457 has 4 divisors (see below), whose sum is σ = 2761975280. Its totient is φ = 1380987636.

The previous prime is 2071481449. The next prime is 2071481483. The reversal of 2071481457 is 7541841702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2071481457 - 2³ = 2071481449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2071481057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345246907 + ... + 345246912.

It is an arithmetic number, because the mean of its divisors is an integer number (690493820).

Almost surely, 2^2071481457 is an apocalyptic number.

It is an amenable number.

2071481457 is a deficient number, since it is larger than the sum of its proper divisors (690493823).

2071481457 is an equidigital number, since it uses as much as digits as its factorization.

2071481457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690493822.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 2071481457 is about 45513.5304827037. The cubic root of 2071481457 is about 1274.7558588288.

The spelling of 2071481457 in words is "two billion, seventy-one million, four hundred eighty-one thousand, four hundred fifty-seven".