3125621422006 has 4 divisors (see below), whose sum is σ = 4688432133012. Its totient is φ = 1562810711002.

The previous prime is 3125621421991. The next prime is 3125621422019. The reversal of 3125621422006 is 6002241265213.

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

It is a super-3 number, since 3×3125621422006³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781405355500 + ... + 781405355503.

It is an arithmetic number, because the mean of its divisors is an integer number (1172108033253).

Almost surely, 2^{3125621422006} is an apocalyptic number.

3125621422006 is a deficient number, since it is larger than the sum of its proper divisors (1562810711006).

3125621422006 is a wasteful number, since it uses less digits than its factorization.

3125621422006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562810711005.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 3125621422006 its reverse (6002241265213), we get a palindrome (9127862687219).

The spelling of 3125621422006 in words is "three trillion, one hundred twenty-five billion, six hundred twenty-one million, four hundred twenty-two thousand, six".