75291843313 has 2 divisors, whose sum is σ = 75291843314. Its totient is φ = 75291843312.

The previous prime is 75291843307. The next prime is 75291843323. The reversal of 75291843313 is 31334819257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67002287104 + 8289556209 = 258848^2 + 91047^2 .

It is a cyclic number.

It is not a de Polignac number, because 75291843313 - 2¹³ = 75291835121 is a prime.

It is not a weakly prime, because it can be changed into another prime (75291843323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37645921656 + 37645921657.

It is an arithmetic number, because the mean of its divisors is an integer number (37645921657).

Almost surely, 2^75291843313 is an apocalyptic number.

It is an amenable number.

75291843313 is a deficient number, since it is larger than the sum of its proper divisors (1).

75291843313 is an equidigital number, since it uses as much as digits as its factorization.

75291843313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The spelling of 75291843313 in words is "seventy-five billion, two hundred ninety-one million, eight hundred forty-three thousand, three hundred thirteen".