1652470641 has 36 divisors (see below), whose sum is σ = 2531280180. Its totient is φ = 1038640320.

The previous prime is 1652470637. The next prime is 1652470649. The reversal of 1652470641 is 1460742561.

1652470641 is a `hidden beast` number, since 1 + 6 + 5 + 2 + 4 + 7 + 0 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1360060641 + 292410000 = 36879^2 + 17100^2 .

It is not a de Polignac number, because 1652470641 - 2² = 1652470637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1652470596 and 1652470605.

It is not an unprimeable number, because it can be changed into a prime (1652470649) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 742911 + ... + 745131.

Almost surely, 2^1652470641 is an apocalyptic number.

It is an amenable number.

1652470641 is a deficient number, since it is larger than the sum of its proper divisors (878809539).

1652470641 is a wasteful number, since it uses less digits than its factorization.

1652470641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1652470641 is about 40650.5921359087. The cubic root of 1652470641 is about 1182.2552486286.

The spelling of 1652470641 in words is "one billion, six hundred fifty-two million, four hundred seventy thousand, six hundred forty-one".