7744137181042 has 4 divisors (see below), whose sum is σ = 11616205771566. Its totient is φ = 3872068590520.

The previous prime is 7744137180991. The next prime is 7744137181051. The reversal of 7744137181042 is 2401817314477.

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

It can be written as a sum of positive squares in only one way, i.e., 6653660321961 + 1090476859081 = 2579469^2 + 1044259^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936034295259 + ... + 1936034295262.

Almost surely, 2^{7744137181042} is an apocalyptic number.

7744137181042 is a deficient number, since it is larger than the sum of its proper divisors (3872068590524).

7744137181042 is a wasteful number, since it uses less digits than its factorization.

7744137181042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872068590523.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 7744137181042 in words is "seven trillion, seven hundred forty-four billion, one hundred thirty-seven million, one hundred eighty-one thousand, forty-two".