1945013076 has 18 divisors (see below), whose sum is σ = 4916560922. Its totient is φ = 648337680.

The previous prime is 1945013069. The next prime is 1945013087. The reversal of 1945013076 is 6703105491.

1945013076 is a `hidden beast` number, since 1 + 9 + 450 + 130 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1404450576 + 540562500 = 37476^2 + 23250^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 54028141 = 1945013076 / (1 + 9 + 4 + 5 + 0 + 1 + 3 + 0 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 1945013076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27014035 + ... + 27014106.

Almost surely, 2^1945013076 is an apocalyptic number.

It is an amenable number.

1945013076 is an abundant number, since it is smaller than the sum of its proper divisors (2971547846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1945013076 is a wasteful number, since it uses less digits than its factorization.

1945013076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54028151 (or 54028146 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1945013076 is about 44102.3023888776. The cubic root of 1945013076 is about 1248.2670548444.

The spelling of 1945013076 in words is "one billion, nine hundred forty-five million, thirteen thousand, seventy-six".