1970684285 has 16 divisors (see below), whose sum is σ = 2508214896. Its totient is φ = 1481269248.

The previous prime is 1970684279. The next prime is 1970684293. The reversal of 1970684285 is 5824860791.

It can be written as a sum of positive squares in 8 ways, for example, as 15452761 + 1955231524 = 3931^2 + 44218^2 .

It is a cyclic number.

It is not a de Polignac number, because 1970684285 - 2⁸ = 1970684029 is a prime.

It is a super-2 number, since 2×1970684285² = 7767193102291922450, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 30857 + ... + 69953.

It is an arithmetic number, because the mean of its divisors is an integer number (156763431).

Almost surely, 2^1970684285 is an apocalyptic number.

It is an amenable number.

1970684285 is a deficient number, since it is larger than the sum of its proper divisors (537530611).

1970684285 is a wasteful number, since it uses less digits than its factorization.

1970684285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39712.

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 1970684285 is about 44392.3899446741. The cubic root of 1970684285 is about 1253.7348106378.

The spelling of 1970684285 in words is "one billion, nine hundred seventy million, six hundred eighty-four thousand, two hundred eighty-five".