749934122644819 has 16 divisors (see below), whose sum is σ = 861858294681600. Its totient is φ = 639207654087744.

The previous prime is 749934122644789. The next prime is 749934122644873. The reversal of 749934122644819 is 918446221439947.

It is not a de Polignac number, because 749934122644819 - 2⁵ = 749934122644787 is a prime.

It is a super-2 number, since 2×749934122644819² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749934122644519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532170919 + ... + 533578255.

It is an arithmetic number, because the mean of its divisors is an integer number (53866143417600).

Almost surely, 2^{749934122644819} is an apocalyptic number.

749934122644819 is a deficient number, since it is larger than the sum of its proper divisors (111924172036781).

749934122644819 is a wasteful number, since it uses less digits than its factorization.

749934122644819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832802.

The product of its digits is 752467968, while the sum is 73.

The spelling of 749934122644819 in words is "seven hundred forty-nine trillion, nine hundred thirty-four billion, one hundred twenty-two million, six hundred forty-four thousand, eight hundred nineteen".