4261290646133 has 4 divisors (see below), whose sum is σ = 4267622430828. Its totient is φ = 4254958861440.

The previous prime is 4261290646111. The next prime is 4261290646139. The reversal of 4261290646133 is 3316460921624.

4261290646133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1242061212484 + 3019229433649 = 1114478^2 + 1737593^2 .

It is a cyclic number.

It is not a de Polignac number, because 4261290646133 - 2¹⁸ = 4261290383989 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 (4261290646139) 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, 3165891338 + ... + 3165892683.

It is an arithmetic number, because the mean of its divisors is an integer number (1066905607707).

Almost surely, 2^{4261290646133} is an apocalyptic number.

It is an amenable number.

4261290646133 is a deficient number, since it is larger than the sum of its proper divisors (6331784695).

4261290646133 is an equidigital number, since it uses as much as digits as its factorization.

4261290646133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6331784694.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 4261290646133 in words is "four trillion, two hundred sixty-one billion, two hundred ninety million, six hundred forty-six thousand, one hundred thirty-three".