744771099742 has 4 divisors (see below), whose sum is σ = 1117156649616. Its totient is φ = 372385549870.

The previous prime is 744771099731. The next prime is 744771099757. The reversal of 744771099742 is 247990177447.

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

It is a super-2 number, since 2×744771099742² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186192774934 + ... + 186192774937.

It is an arithmetic number, because the mean of its divisors is an integer number (279289162404).

Almost surely, 2^744771099742 is an apocalyptic number.

744771099742 is a deficient number, since it is larger than the sum of its proper divisors (372385549874).

744771099742 is a wasteful number, since it uses less digits than its factorization.

744771099742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372385549873.

The product of its (nonzero) digits is 24893568, while the sum is 61.

The spelling of 744771099742 in words is "seven hundred forty-four billion, seven hundred seventy-one million, ninety-nine thousand, seven hundred forty-two".