39021473278089 has 27 divisors (see below), whose sum is σ = 58242074005479. Its totient is φ = 25174769247360.

The previous prime is 39021473278049. The next prime is 39021473278093. The reversal of 39021473278089 is 98087237412093.

The square root of 39021473278089 is 6246717.

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

39021473278089 is a `hidden beast` number, since 3 + 9 + 0 + 2 + 1 + 473 + 2 + 7 + 80 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7593788796489 + 31427684481600 = 2755683^2 + 5606040^2 .

It is not a de Polignac number, because 39021473278089 - 2⁷ = 39021473277961 is a prime.

It is a super-2 number, since 2×39021473278089² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39021473278019) 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, 580911097 + ... + 580978265.

Almost surely, 2^{39021473278089} is an apocalyptic number.

39021473278089 is the 6246717-th square number.

39021473278089 is the 3123359-th centered octagonal number.

It is an amenable number.

39021473278089 is a deficient number, since it is larger than the sum of its proper divisors (19220600727390).

39021473278089 is an frugal number, since it uses more digits than its factorization.

39021473278089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134406 (or 67203 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 39021473278089 in words is "thirty-nine trillion, twenty-one billion, four hundred seventy-three million, two hundred seventy-eight thousand, eighty-nine".