1970946085 has 8 divisors (see below), whose sum is σ = 2504261016. Its totient is φ = 1484006400.

The previous prime is 1970946067. The next prime is 1970946091. The reversal of 1970946085 is 5806490791.

It can be written as a sum of positive squares in 4 ways, for example, as 777796321 + 1193149764 = 27889^2 + 34542^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1970946085 - 2⁹ = 1970945573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11593716 + ... + 11593885.

It is an arithmetic number, because the mean of its divisors is an integer number (313032627).

Almost surely, 2^1970946085 is an apocalyptic number.

It is an amenable number.

1970946085 is a deficient number, since it is larger than the sum of its proper divisors (533314931).

1970946085 is a wasteful number, since it uses less digits than its factorization.

1970946085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23187623.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 1970946085 is about 44395.3385503478. The cubic root of 1970946085 is about 1253.7903265893.

The spelling of 1970946085 in words is "one billion, nine hundred seventy million, nine hundred forty-six thousand, eighty-five".