13938790419 has 8 divisors (see below), whose sum is σ = 20650059920. Its totient is φ = 9292526928.

The previous prime is 13938790381. The next prime is 13938790429. The reversal of 13938790419 is 91409783931.

It is a happy number.

13938790419 is a `hidden beast` number, since 139 + 3 + 8 + 7 + 90 + 419 = 666.

It is not a de Polignac number, because 13938790419 - 2¹⁶ = 13938724883 is a prime.

It is a super-2 number, since 2×13938790419² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13938790429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258125722 + ... + 258125775.

It is an arithmetic number, because the mean of its divisors is an integer number (2581257490).

Almost surely, 2^13938790419 is an apocalyptic number.

13938790419 is a deficient number, since it is larger than the sum of its proper divisors (6711269501).

13938790419 is an equidigital number, since it uses as much as digits as its factorization.

13938790419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516251506 (or 516251500 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

It can be divided in two parts, 13938 and 790419, that added together give a cube (804357 = 93³).

The spelling of 13938790419 in words is "thirteen billion, nine hundred thirty-eight million, seven hundred ninety thousand, four hundred nineteen".