3534867821242 has 8 divisors (see below), whose sum is σ = 5303225334132. Its totient is φ = 1767126043200.

The previous prime is 3534867821237. The next prime is 3534867821249. The reversal of 3534867821242 is 2421287684353.

It is a happy number.

3534867821242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3053857605841 + 481010215401 = 1747529^2 + 693549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3534867821249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153919359 + ... + 153942322.

Almost surely, 2^{3534867821242} is an apocalyptic number.

3534867821242 is a deficient number, since it is larger than the sum of its proper divisors (1768357512890).

3534867821242 is a wasteful number, since it uses less digits than its factorization.

3534867821242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307867424.

The product of its digits is 15482880, while the sum is 55.

The spelling of 3534867821242 in words is "three trillion, five hundred thirty-four billion, eight hundred sixty-seven million, eight hundred twenty-one thousand, two hundred forty-two".