4145361973 has 2 divisors, whose sum is σ = 4145361974. Its totient is φ = 4145361972.

The previous prime is 4145361971. The next prime is 4145362003. The reversal of 4145361973 is 3791635414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2356325764 + 1789036209 = 48542^2 + 42297^2 .

It is a cyclic number.

It is not a de Polignac number, because 4145361973 - 2¹ = 4145361971 is a prime.

Together with 4145361971, 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 (4145361971) 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 as a sum of consecutive naturals, namely, 2072680986 + 2072680987.

It is an arithmetic number, because the mean of its divisors is an integer number (2072680987).

Almost surely, 2^4145361973 is an apocalyptic number.

It is an amenable number.

4145361973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145361973 is an equidigital number, since it uses as much as digits as its factorization.

4145361973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 4145361973 is about 64384.4854992257. The cubic root of 4145361973 is about 1606.4016925319.

The spelling of 4145361973 in words is "four billion, one hundred forty-five million, three hundred sixty-one thousand, nine hundred seventy-three".