3128506906629 has 32 divisors (see below), whose sum is σ = 4758104381184. Its totient is φ = 1811360609280.

The previous prime is 3128506906571. The next prime is 3128506906633. The reversal of 3128506906629 is 9266096058213.

It is not a de Polignac number, because 3128506906629 - 2⁷ = 3128506906501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128506902629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1111959 + ... + 2737419.

It is an arithmetic number, because the mean of its divisors is an integer number (148690761912).

Almost surely, 2^{3128506906629} is an apocalyptic number.

3128506906629 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3128506906629 is a deficient number, since it is larger than the sum of its proper divisors (1629597474555).

3128506906629 is a wasteful number, since it uses less digits than its factorization.

3128506906629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628397.

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 3128506906629 in words is "three trillion, one hundred twenty-eight billion, five hundred six million, nine hundred six thousand, six hundred twenty-nine".