1389029671015 has 32 divisors (see below), whose sum is σ = 1949386728960. Its totient is φ = 930264580224.

The previous prime is 1389029671013. The next prime is 1389029671061. The reversal of 1389029671015 is 5101769209831.

It is not a de Polignac number, because 1389029671015 - 2¹ = 1389029671013 is a prime.

It is a super-2 number, since 2×1389029671015² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389029671013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38071812 + ... + 38108278.

It is an arithmetic number, because the mean of its divisors is an integer number (60918335280).

Almost surely, 2^{1389029671015} is an apocalyptic number.

1389029671015 is a deficient number, since it is larger than the sum of its proper divisors (560357057945).

1389029671015 is a wasteful number, since it uses less digits than its factorization.

1389029671015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61831.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 1389029671015 in words is "one trillion, three hundred eighty-nine billion, twenty-nine million, six hundred seventy-one thousand, fifteen".