1353819517 has 2 divisors, whose sum is σ = 1353819518. Its totient is φ = 1353819516.

The previous prime is 1353819479. The next prime is 1353819527. The reversal of 1353819517 is 7159183531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 946546756 + 407272761 = 30766^2 + 20181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353819517 is a prime.

It is a super-2 number, since 2×1353819517² = 3665654569220226578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353819527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676909758 + 676909759.

It is an arithmetic number, because the mean of its divisors is an integer number (676909759).

Almost surely, 2^1353819517 is an apocalyptic number.

It is an amenable number.

1353819517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353819517 is an equidigital number, since it uses as much as digits as its factorization.

1353819517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 43.

The square root of 1353819517 is about 36794.2864722228. The cubic root of 1353819517 is about 1106.2507808010.

The spelling of 1353819517 in words is "one billion, three hundred fifty-three million, eight hundred nineteen thousand, five hundred seventeen".