2001416005129 has 4 divisors (see below), whose sum is σ = 2001419462980. Its totient is φ = 2001412547280.

The previous prime is 2001416005081. The next prime is 2001416005133. The reversal of 2001416005129 is 9215006141002.

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 1773486148729 + 227929856400 = 1331723^2 + 477420^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001416005129 - 2³³ = 1992826070537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2001416005129.

It is not an unprimeable number, because it can be changed into a prime (2001416005529) 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, 626334 + ... + 2096455.

It is an arithmetic number, because the mean of its divisors is an integer number (500354865745).

Almost surely, 2^{2001416005129} is an apocalyptic number.

It is an amenable number.

2001416005129 is a deficient number, since it is larger than the sum of its proper divisors (3457851).

2001416005129 is an equidigital number, since it uses as much as digits as its factorization.

2001416005129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457850.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 2001416005129 in words is "two trillion, one billion, four hundred sixteen million, five thousand, one hundred twenty-nine".