13809373619 has 2 divisors, whose sum is σ = 13809373620. Its totient is φ = 13809373618.

The previous prime is 13809373579. The next prime is 13809373651. The reversal of 13809373619 is 91637390831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13809373619 - 2¹⁶ = 13809308083 is a prime.

It is a super-2 number, since 2×13809373619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13809373219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6904686809 + 6904686810.

It is an arithmetic number, because the mean of its divisors is an integer number (6904686810).

Almost surely, 2^13809373619 is an apocalyptic number.

13809373619 is a deficient number, since it is larger than the sum of its proper divisors (1).

13809373619 is an equidigital number, since it uses as much as digits as its factorization.

13809373619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 13809373619 in words is "thirteen billion, eight hundred nine million, three hundred seventy-three thousand, six hundred nineteen".