2912650403889 has 16 divisors (see below), whose sum is σ = 3891566851200. Its totient is φ = 1937751067776.

The previous prime is 2912650403869. The next prime is 2912650403921. The reversal of 2912650403889 is 9883040562192.

It is not a de Polignac number, because 2912650403889 - 2¹⁵ = 2912650371121 is a prime.

It is a super-4 number, since 4×2912650403889⁴ (a number of 51 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2912650403869) 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 15 ways as a sum of consecutive naturals, for example, 20555917 + ... + 20697125.

It is an arithmetic number, because the mean of its divisors is an integer number (243222928200).

Almost surely, 2^{2912650403889} is an apocalyptic number.

It is an amenable number.

2912650403889 is a deficient number, since it is larger than the sum of its proper divisors (978916447311).

2912650403889 is a wasteful number, since it uses less digits than its factorization.

2912650403889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155384.

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 2912650403889 in words is "two trillion, nine hundred twelve billion, six hundred fifty million, four hundred three thousand, eight hundred eighty-nine".