1945260615076 has 81 divisors (see below), whose sum is σ = 3571832842851. Its totient is φ = 926946057408.

The previous prime is 1945260615043. The next prime is 1945260615079. The reversal of 1945260615076 is 6705160625491.

It is a happy number.

The square root of 1945260615076 is 1394726.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 454478222500 + 1490782392576 = 674150^2 + 1220976^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1945260615079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11244280926 + ... + 11244281098.

Almost surely, 2^{1945260615076} is an apocalyptic number.

1945260615076 is the 1394726-th square number.

It is an amenable number.

1945260615076 is a deficient number, since it is larger than the sum of its proper divisors (1626572227775).

1945260615076 is an equidigital number, since it uses as much as digits as its factorization.

1945260615076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 1945260615076 in words is "one trillion, nine hundred forty-five billion, two hundred sixty million, six hundred fifteen thousand, seventy-six".