1389168362494 has 16 divisors (see below), whose sum is σ = 2280355533936. Its totient is φ = 629448236800.

The previous prime is 1389168362489. The next prime is 1389168362521. The reversal of 1389168362494 is 4942638619831.

It is a super-2 number, since 2×1389168362494² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99589267 + ... + 99603214.

It is an arithmetic number, because the mean of its divisors is an integer number (142522220871).

Almost surely, 2^{1389168362494} is an apocalyptic number.

1389168362494 is a deficient number, since it is larger than the sum of its proper divisors (891187171442).

1389168362494 is a wasteful number, since it uses less digits than its factorization.

1389168362494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199192811.

The product of its digits is 53747712, while the sum is 64.

The spelling of 1389168362494 in words is "one trillion, three hundred eighty-nine billion, one hundred sixty-eight million, three hundred sixty-two thousand, four hundred ninety-four".