3530666642 has 4 divisors (see below), whose sum is σ = 5295999966. Its totient is φ = 1765333320.

The previous prime is 3530666627. The next prime is 3530666669. The reversal of 3530666642 is 2466660353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2466660353 = 45191 ⋅54583.

It can be written as a sum of positive squares in only one way, i.e., 3166200361 + 364466281 = 56269^2 + 19091^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3530666642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 882666659 + ... + 882666662.

Almost surely, 2^3530666642 is an apocalyptic number.

3530666642 is a deficient number, since it is larger than the sum of its proper divisors (1765333324).

3530666642 is a wasteful number, since it uses less digits than its factorization.

3530666642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765333323.

The product of its (nonzero) digits is 466560, while the sum is 41.

The square root of 3530666642 is about 59419.4130061885. The cubic root of 3530666642 is about 1522.7159777478.

The spelling of 3530666642 in words is "three billion, five hundred thirty million, six hundred sixty-six thousand, six hundred forty-two".