1975268705 has 4 divisors (see below), whose sum is σ = 2370322452. Its totient is φ = 1580214960.

The previous prime is 1975268689. The next prime is 1975268723. The reversal of 1975268705 is 5078625791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5078625791 = 23 ⋅220809817.

It can be written as a sum of positive squares in 2 ways, for example, as 1186389136 + 788879569 = 34444^2 + 28087^2 .

It is not a de Polignac number, because 1975268705 - 2⁴ = 1975268689 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 3 ways as a sum of consecutive naturals, for example, 197526866 + ... + 197526875.

It is an arithmetic number, because the mean of its divisors is an integer number (592580613).

Almost surely, 2^1975268705 is an apocalyptic number.

It is an amenable number.

1975268705 is a deficient number, since it is larger than the sum of its proper divisors (395053747).

1975268705 is an equidigital number, since it uses as much as digits as its factorization.

1975268705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395053746.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The square root of 1975268705 is about 44443.9951512012. The cubic root of 1975268705 is about 1254.7062491379.

The spelling of 1975268705 in words is "one billion, nine hundred seventy-five million, two hundred sixty-eight thousand, seven hundred five".