1154341806419 has 2 divisors, whose sum is σ = 1154341806420. Its totient is φ = 1154341806418.

The previous prime is 1154341806379. The next prime is 1154341806467. The reversal of 1154341806419 is 9146081434511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1154341806419 - 2⁴⁰ = 54830178643 is a prime.

It is a super-2 number, since 2×1154341806419² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1154341806469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577170903209 + 577170903210.

It is an arithmetic number, because the mean of its divisors is an integer number (577170903210).

Almost surely, 2^{1154341806419} is an apocalyptic number.

1154341806419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154341806419 is an equidigital number, since it uses as much as digits as its factorization.

1154341806419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 1154341806419 in words is "one trillion, one hundred fifty-four billion, three hundred forty-one million, eight hundred six thousand, four hundred nineteen".