1389771029097 has 48 divisors (see below), whose sum is σ = 2233852058880. Its totient is φ = 825552748800.

The previous prime is 1389771029093. The next prime is 1389771029147. The reversal of 1389771029097 is 7909201779831.

It is a happy number.

1389771029097 is a `hidden beast` number, since 1 + 389 + 77 + 10 + 2 + 90 + 97 = 666.

It is not a de Polignac number, because 1389771029097 - 2² = 1389771029093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1389771029093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 422947 + ... + 1720007.

It is an arithmetic number, because the mean of its divisors is an integer number (46538584560).

Almost surely, 2^{1389771029097} is an apocalyptic number.

It is an amenable number.

1389771029097 is a deficient number, since it is larger than the sum of its proper divisors (844081029783).

1389771029097 is a wasteful number, since it uses less digits than its factorization.

1389771029097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297294 (or 1297291 counting only the distinct ones).

The product of its (nonzero) digits is 12002256, while the sum is 63.

The spelling of 1389771029097 in words is "one trillion, three hundred eighty-nine billion, seven hundred seventy-one million, twenty-nine thousand, ninety-seven".