5391391551353 has 2 divisors, whose sum is σ = 5391391551354. Its totient is φ = 5391391551352.

The previous prime is 5391391551341. The next prime is 5391391551361. The reversal of 5391391551353 is 3531551931935.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2773250734864 + 2618140816489 = 1665308^2 + 1618067^2 .

It is a cyclic number.

It is not a de Polignac number, because 5391391551353 - 2⁶ = 5391391551289 is a prime.

It is a super-2 number, since 2×5391391551353² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5391391551295 and 5391391551304.

It is not a weakly prime, because it can be changed into another prime (5391391551373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2695695775676 + 2695695775677.

It is an arithmetic number, because the mean of its divisors is an integer number (2695695775677).

Almost surely, 2^{5391391551353} is an apocalyptic number.

It is an amenable number.

5391391551353 is a deficient number, since it is larger than the sum of its proper divisors (1).

5391391551353 is an equidigital number, since it uses as much as digits as its factorization.

5391391551353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4100625, while the sum is 53.

The spelling of 5391391551353 in words is "five trillion, three hundred ninety-one billion, three hundred ninety-one million, five hundred fifty-one thousand, three hundred fifty-three".