744199999999999 has 4 divisors (see below), whose sum is σ = 744200157033000. Its totient is φ = 744199842967000.

The previous prime is 744199999999957. The next prime is 744200000000011. The reversal of 744199999999999 is 999999999991447.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 744199999999999 - 2³¹ = 744197852516351 is a prime.

It is a super-9 number, since 9×744199999999999⁹ (a number of 135 digits) contains 999999999 as substring.

It is a Duffinian number.

744199999999999 is a modest number, since divided by 99999999 gives 7441999 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 744199999999892 and 744199999999901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744199999999909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71179252 + ... + 80962249.

It is an arithmetic number, because the mean of its divisors is an integer number (186050039258250).

Almost surely, 2^{744199999999999} is an apocalyptic number.

744199999999999 is a deficient number, since it is larger than the sum of its proper divisors (157033001).

744199999999999 is a wasteful number, since it uses less digits than its factorization.

744199999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157033000.

The product of its digits is 3514678676208, while the sum is 115.

The spelling of 744199999999999 in words is "seven hundred forty-four trillion, one hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".