3142336621 has 4 divisors (see below), whose sum is σ = 3145063132. Its totient is φ = 3139610112.

The previous prime is 3142336619. The next prime is 3142336643. The reversal of 3142336621 is 1266332413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2151660996 + 990675625 = 46386^2 + 31475^2 .

It is a cyclic number.

It is not a de Polignac number, because 3142336621 - 2¹ = 3142336619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142336601) 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, 1361526 + ... + 1363831.

It is an arithmetic number, because the mean of its divisors is an integer number (786265783).

Almost surely, 2^3142336621 is an apocalyptic number.

It is an amenable number.

3142336621 is a deficient number, since it is larger than the sum of its proper divisors (2726511).

3142336621 is a wasteful number, since it uses less digits than its factorization.

3142336621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726510.

The product of its digits is 15552, while the sum is 31.

The square root of 3142336621 is about 56056.5484221068. The cubic root of 3142336621 is about 1464.7074895034.

The spelling of 3142336621 in words is "three billion, one hundred forty-two million, three hundred thirty-six thousand, six hundred twenty-one".