1913073275 has 6 divisors (see below), whose sum is σ = 2372210892. Its totient is φ = 1530458600.

The previous prime is 1913073269. The next prime is 1913073287. The reversal of 1913073275 is 5723703191.

It is a de Polignac number, because none of the positive numbers 2^k-1913073275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 38261441 + ... + 38261490.

It is an arithmetic number, because the mean of its divisors is an integer number (395368482).

Almost surely, 2^1913073275 is an apocalyptic number.

1913073275 is a deficient number, since it is larger than the sum of its proper divisors (459137617).

1913073275 is an equidigital number, since it uses as much as digits as its factorization.

1913073275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76522941 (or 76522936 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 1913073275 is about 43738.6931103342. The cubic root of 1913073275 is about 1241.3965524068.

The spelling of 1913073275 in words is "one billion, nine hundred thirteen million, seventy-three thousand, two hundred seventy-five".