2134561440441 has 16 divisors (see below), whose sum is σ = 3027780502848. Its totient is φ = 1332985113600.

The previous prime is 2134561440397. The next prime is 2134561440457. The reversal of 2134561440441 is 1440441654312.

It is not a de Polignac number, because 2134561440441 - 2⁹ = 2134561439929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2134561440441.

It is not an unprimeable number, because it can be changed into a prime (2134561440481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99169680 + ... + 99191201.

It is an arithmetic number, because the mean of its divisors is an integer number (189236281428).

Almost surely, 2^{2134561440441} is an apocalyptic number.

It is an amenable number.

2134561440441 is a deficient number, since it is larger than the sum of its proper divisors (893219062407).

2134561440441 is a wasteful number, since it uses less digits than its factorization.

2134561440441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198361112.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 2134561440441 in words is "two trillion, one hundred thirty-four billion, five hundred sixty-one million, four hundred forty thousand, four hundred forty-one".