4344134992561 has 128 divisors (see below), whose sum is σ = 5865887498240. Its totient is φ = 3121566336000.

The previous prime is 4344134992553. The next prime is 4344134992573. The reversal of 4344134992561 is 1652994314434.

It is not a de Polignac number, because 4344134992561 - 2³ = 4344134992553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4344134992591) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1226808451 + ... + 1226811991.

It is an arithmetic number, because the mean of its divisors is an integer number (45827246080).

Almost surely, 2^{4344134992561} is an apocalyptic number.

It is an amenable number.

4344134992561 is a deficient number, since it is larger than the sum of its proper divisors (1521752505679).

4344134992561 is a wasteful number, since it uses less digits than its factorization.

4344134992561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895.

The product of its digits is 11197440, while the sum is 55.

The spelling of 4344134992561 in words is "four trillion, three hundred forty-four billion, one hundred thirty-four million, nine hundred ninety-two thousand, five hundred sixty-one".