8540749093319 has 2 divisors, whose sum is σ = 8540749093320. Its totient is φ = 8540749093318.

The previous prime is 8540749093309. The next prime is 8540749093361. The reversal of 8540749093319 is 9133909470458.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8540749093319 is a prime.

It is a super-2 number, since 2×8540749093319² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8540749093309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270374546659 + 4270374546660.

It is an arithmetic number, because the mean of its divisors is an integer number (4270374546660).

Almost surely, 2^{8540749093319} is an apocalyptic number.

8540749093319 is a deficient number, since it is larger than the sum of its proper divisors (1).

8540749093319 is an equidigital number, since it uses as much as digits as its factorization.

8540749093319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 8540749093319 in words is "eight trillion, five hundred forty billion, seven hundred forty-nine million, ninety-three thousand, three hundred nineteen".