71474901044089 has 27 divisors (see below), whose sum is σ = 74311817884941. Its totient is φ = 68743465929600.

The previous prime is 71474901044077. The next prime is 71474901044149. The reversal of 71474901044089 is 98044010947417.

The square root of 71474901044089 is 8454283.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 30359361664489 + 41115539379600 = 5509933^2 + 6412140^2 .

It is not a de Polignac number, because 71474901044089 - 2¹³ = 71474901035897 is a prime.

It is a super-2 number, since 2×71474901044089² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71474901044069) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 98314856644 + ... + 98314857370.

Almost surely, 2^{71474901044089} is an apocalyptic number.

71474901044089 is the 8454283-rd square number.

71474901044089 is the 4227142-nd centered octagonal number.

It is an amenable number.

71474901044089 is a deficient number, since it is larger than the sum of its proper divisors (2836916840852).

71474901044089 is an frugal number, since it uses more digits than its factorization.

71474901044089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 71474901044089 in words is "seventy-one trillion, four hundred seventy-four billion, nine hundred one million, forty-four thousand, eighty-nine".