1553967329219 has 2 divisors, whose sum is σ = 1553967329220. Its totient is φ = 1553967329218.

The previous prime is 1553967329153. The next prime is 1553967329221. The reversal of 1553967329219 is 9129237693551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1553967329219 - 2¹² = 1553967325123 is a prime.

It is a super-2 number, since 2×1553967329219² (a number of 25 digits) contains 22 as substring.

Together with 1553967329221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1553967329279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776983664609 + 776983664610.

It is an arithmetic number, because the mean of its divisors is an integer number (776983664610).

Almost surely, 2^{1553967329219} is an apocalyptic number.

1553967329219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553967329219 is an equidigital number, since it uses as much as digits as its factorization.

1553967329219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27556200, while the sum is 62.

The spelling of 1553967329219 in words is "one trillion, five hundred fifty-three billion, nine hundred sixty-seven million, three hundred twenty-nine thousand, two hundred nineteen".