1044387137929 has 4 divisors (see below), whose sum is σ = 1059096816000. Its totient is φ = 1029677459860.

The previous prime is 1044387137879. The next prime is 1044387137947. The reversal of 1044387137929 is 9297317834401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1044387137929 - 2¹¹ = 1044387135881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044387137029) 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, 7354838929 + ... + 7354839070.

It is an arithmetic number, because the mean of its divisors is an integer number (264774204000).

Almost surely, 2^{1044387137929} is an apocalyptic number.

It is an amenable number.

1044387137929 is a deficient number, since it is larger than the sum of its proper divisors (14709678071).

1044387137929 is an equidigital number, since it uses as much as digits as its factorization.

1044387137929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14709678070.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 1044387137929 in words is "one trillion, forty-four billion, three hundred eighty-seven million, one hundred thirty-seven thousand, nine hundred twenty-nine".