8542912619 has 2 divisors, whose sum is σ = 8542912620. Its totient is φ = 8542912618.

The previous prime is 8542912589. The next prime is 8542912657. The reversal of 8542912619 is 9162192458.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8542912619 - 2⁸ = 8542912363 is a prime.

It is a super-2 number, since 2×8542912619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8542912669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4271456309 + 4271456310.

It is an arithmetic number, because the mean of its divisors is an integer number (4271456310).

Almost surely, 2^8542912619 is an apocalyptic number.

8542912619 is a deficient number, since it is larger than the sum of its proper divisors (1).

8542912619 is an equidigital number, since it uses as much as digits as its factorization.

8542912619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 47.

The square root of 8542912619 is about 92427.8779319313. The cubic root of 8542912619 is about 2044.2561897007.

The spelling of 8542912619 in words is "eight billion, five hundred forty-two million, nine hundred twelve thousand, six hundred nineteen".