1389536362403 has 16 divisors (see below), whose sum is σ = 1630771972800. Its totient is φ = 1183444936128.

The previous prime is 1389536362397. The next prime is 1389536362447. The reversal of 1389536362403 is 3042636359831.

It is not a de Polignac number, because 1389536362403 - 2²² = 1389532168099 is a prime.

It is a super-2 number, since 2×1389536362403² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1389536362703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12847826 + ... + 12955527.

It is an arithmetic number, because the mean of its divisors is an integer number (101923248300).

Almost surely, 2^{1389536362403} is an apocalyptic number.

1389536362403 is a deficient number, since it is larger than the sum of its proper divisors (241235610397).

1389536362403 is an equidigital number, since it uses as much as digits as its factorization.

1389536362403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25803531 (or 25803517 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 53.

The spelling of 1389536362403 in words is "one trillion, three hundred eighty-nine billion, five hundred thirty-six million, three hundred sixty-two thousand, four hundred three".