117839444453 has 2 divisors, whose sum is σ = 117839444454. Its totient is φ = 117839444452.

The previous prime is 117839444447. The next prime is 117839444477. The reversal of 117839444453 is 354444938711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117688105249 + 151339204 = 343057^2 + 12302^2 .

It is a cyclic number.

It is not a de Polignac number, because 117839444453 - 2¹⁸ = 117839182309 is a prime.

It is a super-2 number, since 2×117839444453² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117839444395 and 117839444404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117839444753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58919722226 + 58919722227.

It is an arithmetic number, because the mean of its divisors is an integer number (58919722227).

Almost surely, 2^117839444453 is an apocalyptic number.

It is an amenable number.

117839444453 is a deficient number, since it is larger than the sum of its proper divisors (1).

117839444453 is an equidigital number, since it uses as much as digits as its factorization.

117839444453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 53.

The spelling of 117839444453 in words is "one hundred seventeen billion, eight hundred thirty-nine million, four hundred forty-four thousand, four hundred fifty-three".