3542212666 has 4 divisors (see below), whose sum is σ = 5313319002. Its totient is φ = 1771106332.

The previous prime is 3542212631. The next prime is 3542212673. The reversal of 3542212666 is 6662122453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6662122453 = 7 ⋅951731779.

It can be written as a sum of positive squares in only one way, i.e., 1963819225 + 1578393441 = 44315^2 + 39729^2 .

It is a super-3 number, since 3×3542212666³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885553165 + ... + 885553168.

Almost surely, 2^3542212666 is an apocalyptic number.

3542212666 is a deficient number, since it is larger than the sum of its proper divisors (1771106336).

3542212666 is a wasteful number, since it uses less digits than its factorization.

3542212666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771106335.

The product of its digits is 103680, while the sum is 37.

The square root of 3542212666 is about 59516.4907063580. The cubic root of 3542212666 is about 1524.3740390413.

The spelling of 3542212666 in words is "three billion, five hundred forty-two million, two hundred twelve thousand, six hundred sixty-six".