13953738389 has 2 divisors, whose sum is σ = 13953738390. Its totient is φ = 13953738388.

The previous prime is 13953738347. The next prime is 13953738401. The reversal of 13953738389 is 98383735931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13605356164 + 348382225 = 116642^2 + 18665^2 .

It is a cyclic number.

It is not a de Polignac number, because 13953738389 - 2¹⁶ = 13953672853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13953738089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6976869194 + 6976869195.

It is an arithmetic number, because the mean of its divisors is an integer number (6976869195).

Almost surely, 2^13953738389 is an apocalyptic number.

It is an amenable number.

13953738389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13953738389 is an equidigital number, since it uses as much as digits as its factorization.

13953738389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 59.

The spelling of 13953738389 in words is "thirteen billion, nine hundred fifty-three million, seven hundred thirty-eight thousand, three hundred eighty-nine".