7481945071 has 2 divisors, whose sum is σ = 7481945072. Its totient is φ = 7481945070.

The previous prime is 7481945069. The next prime is 7481945099. The reversal of 7481945071 is 1705491847.

It is a happy number.

7481945071 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7481945071 - 2¹ = 7481945069 is a prime.

It is a super-2 number, since 2×7481945071² (a number of 21 digits) contains 22 as substring.

Together with 7481945069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7481945171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740972535 + 3740972536.

It is an arithmetic number, because the mean of its divisors is an integer number (3740972536).

Almost surely, 2^7481945071 is an apocalyptic number.

7481945071 is a deficient number, since it is larger than the sum of its proper divisors (1).

7481945071 is an equidigital number, since it uses as much as digits as its factorization.

7481945071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 7481945071 is about 86498.2373866659. The cubic root of 7481945071 is about 1955.8618327630.

The spelling of 7481945071 in words is "seven billion, four hundred eighty-one million, nine hundred forty-five thousand, seventy-one".