13819499357 has 2 divisors, whose sum is σ = 13819499358. Its totient is φ = 13819499356.

The previous prime is 13819499341. The next prime is 13819499429. The reversal of 13819499357 is 75399491831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13152878596 + 666620761 = 114686^2 + 25819^2 .

It is a cyclic number.

It is not a de Polignac number, because 13819499357 - 2⁴ = 13819499341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13819499296 and 13819499305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13819499557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6909749678 + 6909749679.

It is an arithmetic number, because the mean of its divisors is an integer number (6909749679).

Almost surely, 2^13819499357 is an apocalyptic number.

It is an amenable number.

13819499357 is a deficient number, since it is larger than the sum of its proper divisors (1).

13819499357 is an equidigital number, since it uses as much as digits as its factorization.

13819499357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 59.

The spelling of 13819499357 in words is "thirteen billion, eight hundred nineteen million, four hundred ninety-nine thousand, three hundred fifty-seven".