1975564082 has 18 divisors (see below), whose sum is σ = 3025415127. Its totient is φ = 967510336.

The previous prime is 1975564079. The next prime is 1975564099. The reversal of 1975564082 is 2804655791.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 1616120401 + 359443681 = 40201^2 + 18959^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=31429.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3331178 + ... + 3331770.

Almost surely, 2^1975564082 is an apocalyptic number.

1975564082 is a deficient number, since it is larger than the sum of its proper divisors (1049851045).

1975564082 is an frugal number, since it uses more digits than its factorization.

1975564082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The square root of 1975564082 is about 44447.3180518240. The cubic root of 1975564082 is about 1254.7687879535.

The spelling of 1975564082 in words is "one billion, nine hundred seventy-five million, five hundred sixty-four thousand, eighty-two".