1946505713 has 4 divisors (see below), whose sum is σ = 1946626548. Its totient is φ = 1946384880.

The previous prime is 1946505707. The next prime is 1946505733. The reversal of 1946505713 is 3175056491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 774675889 + 1171829824 = 27833^2 + 34232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1946505713 - 2⁴ = 1946505697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1946505733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31706 + ... + 69987.

It is an arithmetic number, because the mean of its divisors is an integer number (486656637).

Almost surely, 2^1946505713 is an apocalyptic number.

It is an amenable number.

1946505713 is a deficient number, since it is larger than the sum of its proper divisors (120835).

1946505713 is a wasteful number, since it uses less digits than its factorization.

1946505713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120834.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 1946505713 is about 44119.2215819817. The cubic root of 1946505713 is about 1248.5862871756.

The spelling of 1946505713 in words is "one billion, nine hundred forty-six million, five hundred five thousand, seven hundred thirteen".