2729117444553 has 6 divisors (see below), whose sum is σ = 3942058531034. Its totient is φ = 1819411629696.

The previous prime is 2729117444549. The next prime is 2729117444563. The reversal of 2729117444553 is 3554447119272.

2729117444553 is a `hidden beast` number, since 2 + 7 + 2 + 9 + 11 + 74 + 4 + 4 + 553 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2727660342969 + 1457101584 = 1651563^2 + 38172^2 .

It is not a de Polignac number, because 2729117444553 - 2² = 2729117444549 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 2729117444553.

It is not an unprimeable number, because it can be changed into a prime (2729117444563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151617635800 + ... + 151617635817.

Almost surely, 2^{2729117444553} is an apocalyptic number.

It is an amenable number.

2729117444553 is a deficient number, since it is larger than the sum of its proper divisors (1212941086481).

2729117444553 is a wasteful number, since it uses less digits than its factorization.

2729117444553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303235271623 (or 303235271620 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 2729117444553 in words is "two trillion, seven hundred twenty-nine billion, one hundred seventeen million, four hundred forty-four thousand, five hundred fifty-three".